boof

Etymology 1
Imitative. Kayaking sense from the sound a kayak makes when it lands on the water after “ski jumping” the waterfall forming the backwash; generally attributed to whitewater kayaking aficionados in the eastern United States in the mid- to late 1970s.

Interjection

 * 1)  ; wham.

Noun

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

Verb

 * 1)  To make this sound.
 * 2)  To make a boof jump when whitewater kayaking, rafting, etc.
 * 3)  To surface quickly and catch prey by gulping, a behaviour which produces an audible sound.

Etymology 2
Related to.

Verb

 * 1)  To have anal sex with someone, usually as the penetrative partner.
 * 2)  To conceal (a prohibited item) in one's rectum.
 * 3)  To consume (drugs) rectally.
 * 1)  To conceal (a prohibited item) in one's rectum.
 * 2)  To consume (drugs) rectally.
 * 1)  To conceal (a prohibited item) in one's rectum.
 * 2)  To consume (drugs) rectally.
 * 1)  To conceal (a prohibited item) in one's rectum.
 * 2)  To consume (drugs) rectally.
 * 1)  To conceal (a prohibited item) in one's rectum.
 * 2)  To consume (drugs) rectally.
 * 1)  To consume (drugs) rectally.

Verb

 * 1) To get something wrong or make a mistake.

Etymology 4
Spelling variant of.

Verb

 * 1)  To puff out in a voluminous way.