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1.
1. The act of revenge.
2. To return to a previous state.
1. As in the game of punch buggy, one would say "punch buggy, no backsies!" If you are punched back, thats defying the rule of no backsies.
2. Guy: I fucked a stupid cunt now whenever I talk to her she thinks she's my girlfriend. Once you fuck a bitch, there's no backsies.
by They Call Me Frog January 01, 2006
 
2.
What a male would ask for in order to aquire the back of the female in a tag team.

Also see Frontsies
-Tag team. I call backsies!
-I wanted frontsies anyways.
by lmfao1234567 May 05, 2011