three bags full

a "three bags full" is the australian rhyming slang for a pull ie. masturbation. can also be shortened to "three bags"

joe: did you get any snatch last night?
peter: no she was flying the japanese flag so i had to have a three bags full!

Bacchus Marsh

Half a stiffy. It is half way to Ballarat. Pronounced Back-us Marsh

"I woke up with a Bacchus Marsh"

BAF

a Bare Arse Fart, that is done on the head of an unsuspecting victim.

dude you should sneek up behind her and BAF her