shewench 

a young women who actively engages in affairs with multiple men at once with no regard to her partner while also keeping said man a secret from her multiple partners.

Distinguished from a wench by the level of dignity, honesty and respect held by a wench, being open with their position on multiple partners.

I just learned that my shewench of a girlfriend has been sleeping around.

Hello Shewench.

shewench by Lord Umbra February 7, 2010

Sheencha 

Street name for the drug "Charlie Sheen," as referenced in his February 28, 2011 interview on ABC. While the drug's mysterious origins are unknown it is thought to be derivative of tiger blood.

Kevin: Hey man, you ever tried sheencha?

Steve: No way bro, I heard if you try that stuff once it'll make your face melt off and your children will weep over your exploded body.

Kevin: Dude, I don't have any children

Sheencha by notcharlie March 14, 2011