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When the buttocks of a person are unusually smelly, and are usually very itchy and rashy. Could be a result of bad hygiene or just a distinct smell of the buttocks.
I could smell his Stinky buttix the second he walked Into the room, and I could smell them for another 30 minutes after he left the chair he was sitting on.
by RandeenisDaWeenis March 18, 2014

Words related to stinky buttix

ass awful smelling bad hygiene smelly unsanitary