I have a sleeve of tattoos! they cover most of my arm
What are your tattoos of? I thought about getting a tattoo of a lotus flower on my arm.
since its a sleeve, it has a unifying theme. they're just a bunch of skulls going from my wrist to my shoulder, pretty much.
That's pretty cool. How much do tattoos hurt to get? I know they do hurt, but how much?
tattoos dont hurt much for me! of course it depends on the person's pain tolerance, but my artist usually puts some numbing medicine so I won't feel the pain. 
I see. There's probably different kinds of anesthesia artists use for that. Are your tattoos in color?
Anesthesia
Anesthesia or anaesthesia (from Greek "without sensation") is a state of controlled, temporary loss of sensation or awareness that is induced for medical purposes. It may include analgesia (relief from or prevention of pain), paralysis (muscle relaxation), amnesia (loss of memory), or unconsciousness. A patient under the effects of anesthetic drugs is referred to as being anesthetized. 
Anesthesia enables the painless performance of medical procedure that would otherwise cause severe or intolerable pain to an unanesthetized patient, or would
Sleeve tattoo
A sleeve tattoo (or tattoo sleeve) is a large tattoo, or a collection of smaller tattoos, that has a unified theme, that covers most or all of a person's arm, usually from shoulder to wrist.
There is a difference between an arm covered in tattoos and a sleeve tattoo. A sleeve tattoo has a unified theme, whereas an arm covered in tattoos may have many tattoos of different styles that does not have an overall unity.
The term "sleeve" is a reference