The Western Sydney term coined to describe a student who truants his final term of school thus making one unable to graduate, also used to indicate a ridiculously extreme form of sloth and laziness.
Brief Background History: Circa 2009
Marvin was a student attending a school in Sydney's Western Suburbs who was a legend in his own right, will be sorely missed.
When a friend of yours (usually one with a fast metabolism) eats an extremely unhealthy meal (eg. a pounderburger from McDonalds) then proceeds to destroy your' bathroom toilet with the result of their efforts.
Aww man, imtotally chucking a Jacob in Tom's toilet! He's gonna be pissed!
"After muck chucking till his balls ached, Bob rolled over and farted"
"OOOh i've chucked my muck!"
"Thank god for that! I have'nt chucked my muck for ages. My balls were like watermelons! "
Masturbation.
In other words:
Choking the chicken Choking the monkey
wacking off
jerking off
shaking hands with man's best friend teasing the weasel
Dude, we all know that last night you did the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger.