they unusual large overbite a vagina has when in tight clothing; similar to a camel toe, deer hoof, and moose knuckle but Vastly larger. i.e. a beach ball compared to a golf ball
Check out the Bison Fist on that fat chick over there

"which one"
"the one with the buffalo tits"
by Travis J W October 21, 2007
6 Words related to Bison Fist

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