>

Once: “I’m a friend who’s messing with you.”
Twice: “I’m coming in as I knock.”
3 times: “may I come in?”
4 times (regularly): “hey it’s a close friend or significant other!”
4 times (pounded): “police, open up!”
5 times: “come open the door, I’m in a hurry.”
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Remember, /r/Showerthoughts is for showerthoughts, not "thoughts had in the shower!"
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Did something fall on the floor? Maybe a bird flew into the window? Am I hearing things?
It’s not considered weird. It’s confusing. >

To add to this, I have a 1-syllable name. When I put my name in on the waiting list of a restaurant I provide a 2- or 3-syllable name. When the name is called in a noisy environment it’s easier to discern than the short staccato of my name. >

This is huge. >

Perhaps, but “gigantic” works better in a noisy room. >

enormous >

Gargantuan >

Humongous hungolomghononoloughongous >

LMAO. People giving a lot of terms, in what the OP has been used. Nonetheless, still funny though. >

I knock 0 times and stand at the door. People think it's weird too. >

Knocks 0 times, rings doorbell instead >

10 times >

Honestly, count out 10 knocks in your head. It doesn't seem that weird. >

If someone knocked at my door 10 times I wouldn't let them in. That's HELLA weird >

3  knocks are the correct minimum number, enough to establish a pattern, and direction, and get attention. >

I consider 1 knock to be an accident, 2 knocks to be a courtesy for a door you're going to go through anyway but want to alert the occupants first, and 3 knocks to be an actual "request" for entry. >

The two knocks is like what you get at the doc office when they come in. >

or when you have a package delivery just notifying you it's there but you don't have to come to the door >

I'm just gonna stand there and keep knocking. Not one time. Not two. Just gonna keep going. Not gonna stop till that door is open >

Why stop when the doors open? Just keep it going even after it's been opened. >

Just start punching the guest lightly as they open the door >

You're knocking on your own door? >

Yeah, wtf? u/Random_Loaf , could you provide context to why you would be knocking on your own door? >

You don't? >

I do not. Also, if your guest is just gonna open the door, why knock at all? >

I have realized my typing error >

I was just joking around. Sorry... >

Oh no I was having a great time but I genuinely didn't realize I made a typing error lmao >

5 times. 7 times if I feel like finishing the jingle.
Shave and a haircut....two bits. >

I know exactly the pattern you’re describing. Must be universal 😂 >

it's the "one  two-three-four  five"
I use it as well >

“First shalt thou approach the door. Then, shalt thou knock three times. No more. No less. Three shalt be the number thou shalt knock, and the number of the knocking shall be three. Four shalt thou not knock, nor either knock thou two, excepting that thou then proceed to three. Five is right out. Once the number three, being the third number, be reached, then, the door shalt open… unless thou art naughty in my sight… and thou shalt be snuffed.” >

I understood that reference >

I believe you're right.
If someone knocks once, don't answer the door, they're probably weird. >

What if I knock continuously, until you open the door? >

Then you’re weird too and getting the sprinklers. >

Because someone might not notice once. Once might be something hitting the door instead of someone knocking. Twice shows a pattern at least. >

Yeah it's a bit weird, cause no one would ever knock once in doors. Especially if they don't tell who they are and just knocking out. People usually do it for at least three times. >

People don't knock anymore they text to say "hey, I'm outside" >

That would be a scene in 'The Office' >

it's done more than once to let the person who hears it know that it was intentional
a single knock is more likely to be an accidental bump >

Yeah, I think single know is not intentional as we think but maybe someone do it to make fun of the owner of the house. We never know. >

knock knock knock Penny! knock knock knock Penny! Knock knock knock Penny! >

Was looking for that! Thank you, my good man. >

Not in the military. You’re instructed to knock once and only once. Then listen for a response whether to enter. Formal situations mostly. Obviously “house rules” don’t apply, like if you need to ask the boss something, still knock normally on the frame of an open door and wait for a response. >

Came here to say this. It's been more than a quarter century, but I think the formal reporting procedure we learned was to knock once (on the frame, assuming the door is open), stand at attention, wait to be acknowledged, and then walk straight to the front of the desk, salute, and give your reporting statement.
And yeah, one knock always felt super weird to me. >

I usually go "Squidward! Squidward! Squidward! Squidward!" And when they open the door I start hitting their face >

Twice is the minimum number to distinguish it from an unintentional or non important sound >

Thats because everyone knows it’s “Knock knock, who’s there?” Not “ knock who’s there “ >

Do it as a streamlined Sheldon Copper
Knock Penny
Knock Penny
Knock Penny >

Once can be an accidental bump, more indicates intentional noise making >

This is the real answer >

Knocking once might be interpreted as someone hitting your door by mistake while moving through the hallway/staicase. Two and more are already someone purposely knocking to get your attention.
Same thing as two warning shots in military bases. Only one might be interpreted as suicide. >

That’s because a single knock can easily be missed or confused as a random ambient sound instead of an intentional noise meant to alert someone to a visitor >

Humans love patterns and knocking once isn't a pattern, it's just random.