1 definition by Mtn Goat

A sexual encounter, resulting from inducing high quantities of crystal-meth, between a resident of Kingman, Arizona, a tumbleweed, and a cactus.
During a visit to Arizona, my friend participated in a "Kingman Threesome" and is still pulling cactus thorns from his ass.

That night with your Mom was one cactus short of a Kingman Threesome.
by Mtn Goat October 3, 2006
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