2 definitions by CrabappleSnapple
An uncooperative or physically demanding bowel movement that, once you have finally stood up, feels like you have just completed the most intense ab work out of your life.
I don't work out but I eat so much chili and cabbage that I do my 8 minute abs three times a day. Complete tasty abs, washer-board style!
by CrabappleSnapple December 14, 2010
The act of asphyxiating yourself while dressed as Batman while masturbating to have a better climax.
Friend 1: "Hey, why do you have a red mark on your neck?"
Friend 2: "I spent all day yesterday Batfapping."
Friend 2: "I spent all day yesterday Batfapping."
by CrabappleSnapple October 20, 2013