When a football team does not get a 1st down after just 3 downs
The team had to punt the ball after yet another 3 and out.
by NICK GSN January 24, 2010
1 more definition
Having sex no more than three times with someone you don't intend to date and then cutting all ties.
I 3 and outted that bitch, and she called every day for a week before getting the hint.
by Starkvegasboy September 21, 2013