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