Definitions by JETFLIP

Def Leppard 

The act of having a threesome with a mother and daughter (of legal age, of course). Named for the rock band, Def Leppard, who were rumored to have bedded more than one mother/daughter duo during their heyday.

Did you see Danielle's mom? Yeah, I would totally pull a Def Leppard on those two.

Def Leppard by JETFLIP May 17, 2014