boof

colloquialThe sound of a blow or collision; wham.

kayakingA “jump” over hydraulic backwash in a high-gradient mountain river, an action analogous to a skier jumping a cliff.

To make this sound.

kayakingTo make this kind of jump when whitewater kayaking.

angling(Of fish, especially barramundi) to surface quickly and catch prey by gulping, a behaviour which produces an audible sound.

slangTo have anal sex with someone, usually as the penetrative partner (possibly with negative connotations).

prison slangTo conceal (a prohibited item) in one's rectum.

slangTo consume (drugs) rectally.

To get something wrong or make a mistake.

of hairTo puff out in a voluminous way.