1. A male slut who plays girls like board games.
2. A complete douchebag who can't even complete high school.
3. A guy with a small dick.
4. An overall imbecilic, cocky, idiot who should take a look in the mirror and realize he's ugly as fuck.
Girl 2: Don't bother girl, He's a Bandi! He's so dumb.. and a dick so small, you can't even feel it.
Ex. 2 -- Guy 1: Did you see that cocky motha effa walkin by?
Guy 2: Yeah don't worry, that's Bandi. No girls want THAT ugly piece of shit.