A makeshift
cutting or stabbing weapon, commonly manufactured clandestinely in a jail or prison using commonly available items or contraband. Also known as a shiv, shank,
banger, etc. A term used in the
Pennsylvania prisons.
Yo you better
go hide that whack somewhere because I heard the CERT team is coming.
I’m about to
go buy a whack off the Puerto Rican bul
Ronnie just got poked up by 2 young buls with whacks