When you party alot and you drink the whole time of the party.
Bob: Dude, we was crunking last night, it was totally awesome.
A type of dance that involves a kind of air humping that is accompanied by rapid arm movements and jumping
"Shit-son this is my favourite crunking song!"
running around with an IV of Grey Goose for several days screaming for no apparent reason and screeching like a crow, "EHHHH EHHHHH!!"
yo man, Roq was out crunking last weekend.
crunking is when you snort a line of cocaine and get some on your finger, then you rub it on your gums in your mouth.
i'm crunking this caine.