BDSM - Boot blacking is the, (predominately submissive), act of polishing someone's leather boots/shoes. The boot blacker may carry a kit with him/her to shine the leather, or they may use their own spit.
A euphemism used by 90's Australian primary school children to refer to anal intercourse, usually with negative connotations.
Boy 1: oi where's Ricky? he's missed school for weeks.
Boy 2: nah yeah I heard he got a bumjacking by the principal for stealing deano's tuckshop money, apparently Rob from 6A saw him in a wheelchair on the weekend.
Blacking for gas, much like fracking for gas, where large industry apply great pressure to extract the earth's natural resources, "blacking" refers to the black man's attempt to apply great pressure using the sub machine gun to extract his rent money from the cashier
"shit Tyrrell, we ain't paid the rent on this place in two months"........." Bitch be quiet, it's cool am going blacking for gas'
To Cock block or 'twat swat'. It really pisses people off when they get burbach cuz they gonna get some pussy until the burbach comes around and ruins all that shit goin for yah!
DAMN BURBACHS