bum webbing

The cross-hatched webbing pattern that forms from dry dirty anal hair, so that faecal matter has to rip through like a child on a trampoline tower

He was going to fuck my ass last night but in stead dumped me because I hadn’t waxed my bum webbing

Skivediving

Where one takes skiving off work to the highest of heights by phoning in sick and instead jumping out of a plane.

“Where’s John today? Is he skiving as usual?”
“Not as usual, the mad lad went skivediving!”