Top definition
When you have to jiggle your penis to get out that last drop of pee out.
Bryan: What took you so long to take a piss?
Chris: I had to shake one out.
Bryan: Oh, I hate that.
by PenPecker August 07, 2011
Happy St. Patties Day!
When one shits in their pants and then shakes the poop out of the bottom of their pant leg.
I was on stage and I had to shake one out and it wound up hitting someone in the front row.
by Rob Stern September 25, 2007
Happy St. Patties Day!