Also known as: Postin' it up, rock-it-hard, blockin' hard, etc.
The act of one or more people assuming randomgangster poses, usually poses that originated from Run-DMC in the 80's. Crossed arms, gangster hats, bandannas, and Gumball 3000/Puma's and 13-14 year old girls are a must to correctly "Post it up."
Kenneth, Seth, and Jeff post it up hard.
Jeff tries to get girls to post it up with them. And it neverworks.
Is a game played when their is a mass quantity of post-it's at disposal. The game rules are you can punch any one who as a post it on their body. The second rule is , you can only punch the section of the body the post its on.
man 1: "whyd you just put that post it on me"
* gets punched*
man 2 : " POST IT PUNCH!"
When defacing a public restroom stall by smearing one's shit on the interior stalls wall with one's own underwear, leaving the underwear on the interior of the door, face high, held up by the drying shit, for the next person.
When I went to the bathroom at Target, I was surprised that someone left a smelly Post-It Note Especial hanging in the door for me.