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