1. someone who is so lame and does not know what they are doing. a more detailed version of a loser. a name given to people who just gotta stop and prevent themselves from embarrassing what they are doing, hence being called a badonk.
person 1: i think justin bieber loves me...
person 2: wow, just stop you badonk.
p1: im so amazing and pretty.
p2: no you're not. you're just a badonk.