look up any word, like bae:
1. douchebag
2. cut of breast meat off a human
3. stab someone in the boobs prison style
Jason is such a boob shank.
by Jason Chapelle December 13, 2005
The underwire from a bra when it works its way loose, poking a woman in her boobs.
Mary had worn that red bra too many times and it got frayed. Eventually the underwire worked its way out and poked her in the boobs. She unwittingly stuck herself with a boob shank.
by PMax March 16, 2008