when one has to go do number 2's.
Hang on Tel, be back in a mo, gotta snap one off.
by stuey_boy January 16, 2009
Every night before i sleep i lie in bed and snap one off. It's the best way to get to sleep.
by Willie85 May 23, 2008
endulging in one's penis
ray hurt his shoulder in the shower when he slipped snapping one off.
by big sing August 9, 2006