buck

A shorter form of the word buttfuck, used in various situations as a verb, adjective, and pronoun. This shortening is believed to have originated from text messenging/SMS users who were too lazy to type buttfuck repeatedly.

(verb) "Hey Roger, what do you say we head into those bushes and buck?"

(pronoun) "Wow, check out that bucking boat."

(adjective) "I'm going to kick your ass bucking fiercely."