to cause a vacuum with ones mouth around the testicular sack (scrotum)
"would you like to suck mah baws?"
When two are having sex, one watches queitly watches in the closet jerking off. Then jumps out loudly yelling carnival noises and takes his friends position.
I was banging this hot chick buy I finished early so my buddy jack in the boxed me.
absolute crap (abbreviation of TURD)
"Your PC is a load of old tud!"