look up any word, like kappa:
 
1.
Noun: A shirt, worn pants-less, ending at the waist exposing female genetalia (bajingo). i.e. Female version of the "shirt cock".
Stacey: "What the hell am I supposed t wear to a Bottomless Party?"

Stacey's loose friend Sherry: "Duh, a Shirt Jingo!"
by Team Discovery February 14, 2012