Top Definition
Tainted marijuana of a poor quality.
Man, that shit tastes likes formaldehyde.

Yeah, it's fucking monkey crack. Gross.
by Johnny Nitro September 19, 2006
When something is (or someone is acting) SO incredibly bizarre or abnormal that describing it as "being on crack" just isn't enough, it's said to be on monkeycrack. It usually has a very VERY high WTF? factor, and that is actually often the first reaction. The conclusion is monkeycrack must be cause.
I love Miike movies! Vistor Q was on serious crack but Happiness of the Katakuris was on monkeycrack something fierce!!
by Lady Joker February 17, 2007
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