A word used to describe someone who frequently smokes marijuana (a bong and/or a joint) causing laziness and memory loss. A 'Bong Donkey' can hardly be trusted with any task as they will most often have a massive fuck up.
I can't believe he burned his garlic bread AGAIN!! Almost burnt the house down! What a bloody Bong Donkey
She didn't get the job because she showed up late to her job interview the god damn Bong Donkey!!
“The whole town was donkey bongos when the aliens landed.”
“I can’t hang out tonight - donkey bongos.”
“If you’re down for donkey bongos I am too”
“I’m donkey bongos, aren’t you attracted to my light?”
When you find some manky ass billy at the side of a park hidden in some bushes made out of a texta, a gatorade bottle and a bit of a coke can as a pc and you and your mate have nothing else to do so you have a few cones with some low grade bud.
9 times out of 10 doubles as a hospital trip if yous do it right
you: OH SHIT MATE!! LOOK!! ITS A WONKEY DONKEY BILLY BONGEY!!!
ur mate: OH FUK YEAH!!! LETS USE IT!!!!
*5 hours later ur both dead*