Definitions by Al-Tazey

Shank 

To walk up behind someone and pull their pants down by surprise, usually exposing their underwear or genitalia.

Guy 1- "yo man, did you hear what happened to Grace?"
Guy 2- "nah, what?
Guy 1- "Cara shanked her! Now everybody knows she wears red underwear!"

Shank by Al-Tazey December 7, 2010