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1.
When you have sex with a girl and then immediately leave or you kick her out.
Damn dude. I pick up that girl then did a nail and bail.
by Scott Z November 16, 2004
 
2.
When a guy has sex with a girl and leaves and/or dumps her afterwards.

also called a Hit and Run
Jessica: Are going out with Tyler again?
Lauren: No! I can't believe the jerk Nail and Bailed on me!
by yanxxx May 25, 2009