Guy 2: Yeah, he must be a real "corny" guy
Guy 1: ... TASK! You are to run around the supermarket once with your shirt off screaming "Penis!" at the top of your lungs.
Often done at schools, during a gym class or study hall.
Note: Can be spelled TASC as well. (Take A Shit Co-operatively)
"Sure, Steve! I've had to crap all day."