This is a racial term for a person of black skin or African origins, it is often used because of the racial stereotype of black people looking like monkeys.
Aww fuck, Banana Bandits stole m' sammich!
by Cayk September 20, 2010
A man who steals a boyfriend from another man or a woman.
"I hate Steve. I caught him having sex with my boyfriend, Fred. Steve is such a fucking banana bandit."
by deadapostle March 26, 2009