stem fast

a result of crack addiction where the user neglects food and becomes very thin
(like slim fast, only with a crack stem)

take a look at that skinny motherfucker askin people for change, dude's gotta be on stem fast

Stem-fast

The world's #1 diet plan bar none. All you need is some crack and a stem to smoke it with. Guaranteed results
but brush those fucking teeth for sure!

Hey ain't dat Lashawnda walkin down da screet?
Yo dats her, but dat bitch dun lost sum ass!
She must be on dat stem-fast diet.