1: the mythical being responsible for that tingly feeling between your anus and genitals.
2: someone who, when caught having stolen one of your possessions, can't decide whether to be a dick or an ass about the situation.
When you're eating a chick out and she's coming all over the place. You slip down to give her some anal tongue darts and as you come back up you lick her berry juice from her taint...
Dude, I had this girl gush'n down her crack as I was lapping up her taint! That taintberry juice was mmm mmm delicious!