A marijuana addict, a stoner, a pothead. "Grass" is a well-known term for marijuana.
Curious George always wondered what the Man in the Yellow Hat has been smoking lately that smelled so good. And so George then sneaked into a weed cabinet which the Man in the Yellow Hat has left unattended, grabbed a few J's and a lighter and then started enjoying himself. He could not stop afterwards. What a grass monkey he now is!
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Mark H. Proud Urban Dictionary author since February 2004.
A ghetto drank. Made by filling a cup half full with Busch Light. Then you peel a fresh orange. Squeeze the orange into the drank. After the orange is fully squeezed pour the rest of the Busch Light into the cup. Drink the Grass Monkey.
(у кого четыре глаза тот похож на водолаза) in Russian
a) (adj :)an offensive term for a person with no contact lenses, but regular glasses, who puts safety goggles on top of their regular glasses, even when doing so for obvious safety reasons in their line of work
b) the action itself of putting safety goggles on top of your regular glasses
when you don't need safety goggles for work, do not attempt monkeyglasses unless it's for a Halloween party or you want everyone in your neighborhood to sarcastically call you a buffone for all the wrong reasons.