1. a person who kisses so much ass that he/she literally always has the taste of ass in their mouth.
2. a homosexual who eats ass holes
I hate that stupid queen that's in my sociology class, he's a total butt taster. He's always sucking up to the professor and i think he's fucking him too
someone who metaphorically tastes butts. someone who sucks a lot and therefore probably spends their time tasting butts.
Person A: The other day I was talking to Joe and he was being a total douche.
Person B: What a butt taster!