crack moon

Any full moon that falls on the same date as a welfare check.

The fried chicken place in the gas station was really busy today, it must be a crack moon tonight. I hope I have some beer in the fridge because there isn't a chance in hell I'm stepping foot in the liquor store today.

moon crack

A term used to describe synthetic marijuana such as K2, Wicked X, XXX, or any other form of ‘legal weed’.

Guy 1: Yo, that Moon Crack we smoked has me mad paranoid. We should get out of here.
Guy 2: Don’t worry about it, man. The high is only gonna last another 20 minutes.
Guy 1: *Punches Guy 2 in the face for no apparent reason*