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Etymology 1[edit]

Generally attributed to whitewater kayaking afficionados in the eastern United States in the mid- to late-1970s. The term derives from the onomatopoetic sound that a kayak makes when it lands on the water after “ski jumping” the waterfall forming the backwash.


boof ‎(plural boofs)

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

See also[edit]

Etymology 2[edit]


boof ‎(third-person singular simple present boofs, present participle boofing, simple past and past participle boofed)

  1. (transitive, prison, slang) To conceal (a prohibited item) in one's rectum.