The people who go around collecting the dirty dishes at a restaurant on a cart. They also usually clean the dishes, take out the trash, and clean the bathroom among the other nasty shit that the restaurant staff doesn't want to do.
Dude 1: Yo where you work at?
Dude 2: At the local Joes grill. I'm a busboy.
A usually very handsome, silent, and mysterious character that works in restaurants cleaning off tables, flirting with the hostesses, disinfecting the toilet rooms. Most busboys are equipped with a nice sense of humor and large muscles that are capable of carrying large items such as tables, all the shitty plates and drinks the people didn't use, and the hearts of his female coworkers.
Hostess #1: I'm in love with the busboy.
Hostess #2: He doesn't even talk to you.
Hostess #1: Oh, I didn't notice that.
Private Cleanliness and Beautification Monitor.
That bus boy had to clean up all the shit on aisle 3
The bus boy at a restaurant is usually one who cleans up but is also known as one who is the owner's bitch. Can also be found doing any of the shit work in the restaurant that no one else wants to do.
Customer: "Is that the new bus boy?"
Rick (Owner): "No, that's my bitch."
The sexual act of cupping one's testicals in thine underbite whilst giving oral sex
Chase: Dude that girl busboyed me last night.
Andrew: Fucking gross!