1. A person who likes to get laid and makes girls scream sexually then tries to touch there vagina by sticking there hand up there.
2. To sperm in a girls mouth and then rub her tits and lick her vagina.
3. To shove a hand up an asshole and wiggle it around while the other hand rubs the vagina slowly.
Dude 1:I'm a tunce and I don't want to be anything else
2. Dude 2: I tunce girls all the time especially the principal
3.Dude 3: Go tunce your mum