1 definition by Medway

Sometimes referred to as a cum-and-run, a backseat bail is the act of having sex with a girl in the doggy-style position, finishing, and then running away before she turns around.
So I was fucking this chick last night, and as I sobered up I remembered she was ugly as fuck, so I grabbed my clothes and backseat bailed on her.
by Medway April 26, 2010
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