Bro cup

A cup usually held by bro's at a party. They usually contains some sort of alcohol in it. The cups are almost always red, possibly to hide the fact that they are drinking?

Guy 1: Yo, dude you going to that party saturday?

Guy 2: Yeah dawg, the invite says to bring stuff.

Guy 3: Dude just go to publix and get some bro cups, they're cheap!