2 definitions by butterz18
When seeing a girl with such a nice ass, all your male instincts take over and you know you have to get some.
by butterz18 December 21, 2010
Not using your best underwear, but your back up underwear. Usually occurs when you haven't done the laundry in a while, and are in desperate need of clean underwear.
by butterz18 November 21, 2010