The inevitable consequence of a sweaty and badly wiped arse. Particularly common in Magaluf
Jay sus when i ran out of arse wipe this morning i never thought I'd be on this beach wiping bum crack gravy with the missus' t shirt
by Juicin' Mckracken-Stuff July 22, 2017
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bum gravy
why isn't your brother here

he has bum gravy
by blow up in your mom May 6, 2019
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