While doing a "Dunkaroo", (when a man or woman dips their head into the icy waters of a keg tub (feet held up by two friends) and stays under water until they feels numb, at which time they must whip their head out of the tub to chug a beer), the participant farts on the two people holding up their legs.
We were all doing Dunkaroos last night and having a great time. Then Nick's turn was up and he did the nastiest Funkaroo, causing me and Casey to vomit into the kegtub.
a frunker is one who acts like a person who is drunk, but is obviously faking it. This person can most often times be heard saying stuff like: "dude, i'm soo wasted right now, i'm so drunk man!" or "WHOA, this booze effed me up good." The person might also use their frunkiness as a way to hit on girls who are actually drunk.