Definition: In this task, you are given a Reddit post as a text. Your task is to generate a title for this text. The title should start with "TIFU by", followed by a situation that caused humor. The title should contain 7-12 words, ideally.
Input: Text: so i notice she is coming up the stairs, say hi like a good neighbor  'how's it going? ' the usual yada and she smiles but then instantly frowns. 
i didn't get it until i get in my car and look down. 
i assume i had just got done jerking it and my zipper was full xyz. i can only hope she didn't see my penis as i was also going full commando that day.

TIFU by leaving my apartment when my neighbor was coming in.