A very outdoorsy person, who spends most of his time out on nature walks, but then experiences a sudden burst of hornyness, so then resorts to finding the nearest bush and masturbating in it. Bush wackers generally use the closest and largest leaf to emit, or wipe up, any unwanted man goop.
Jamal: "hey Sampson! we've been hiking for hours, i say we take a break to session up some bush wacking."
Sampson: "yea dawg, im down ive a had side pipe for hours."
Jamal: "i dunno about you but ive been eyeing up that crevice in that mossy piece of bark over there"
A ritual that involves the slapping of an object, generally penis shaped, onto the arse cheeks of a woman, or man, with a hairy arsehole.
The object, generally penis shaped, has to be in contact with the hair on every slap.
Ronald, do you remember that time you went anal bush wacking with Linda?