Definitions by 831or Chuck's

peenSU 

a group created at syracuse university to come together to appreciate the brilliance of blowjobs. PeenSU stands for Penis Suckers Union and we have both members (the suckers) and affiliates (those who are sucked).

Did you peenSU him?
We only got as far as peenSUing.

peenSU by 831or Chuck's July 20, 2008