Top definition
Someone with a gaping arse hole.

As with the word wizards sleeve but slightly larger in size.
"Steve, I was watching a pr0n0 last night, you wouldn't have believed the size of the bumhatch on this bird!"


"I bet she has a bumhatch and a half!"
by Andy and Dave July 20, 2006
Get the mug
Get a bumhatch mug for your mate Yasemin.