A hot girl who looks underage but isn't.
It's great so many girls are jail-deterent to balance out the issues caused by jailbait.
A woman's cute way of saying penis.
woman: Pull out your peter deter so I can suck it. man: I'm already unzipping my fly!
Someone who relishes in the pain of others.
That guy was a total deter; he wrote “for your viewing pleasure” on a YouTube video of an airplane crash.