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to give extremely dedicated oral sex to a male. referring to the mouth on the freshwater fish.
"oh man, that girl was into me last night, you should have seen her givin the bassmouth!"
by jchronic April 08, 2007
President of Sorostitute house, known to be videotaped bad mouthing other sororities, dirty rushes, and is rumoured to have a "
"large vagina."
Bass fish. = )