A bum pussy is simply the anus.

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Originating in Guildford, Australia, Bum Pussy (BP) is a slang term for petrol, derived from the British Petroleum “BP” logo

Bum pussy is both a proverbial term as well as a noun. Describing the action of a woman showing the vagina from a back facing angle exposing the posterior.

Bum pussy is both a proverbial term as well as a noun. Describing the action of a woman showing the vagina from a back facing angle exposing the posterior.