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2.
Groupies to the motorcycle world , these are the girls who line the curbs waiting for guys to take them for a ride.
The guy on the v-rod gets alot of booty from the curb monkeys.
by shawn December 31, 2003
 
1.
Young, impressionable (scantily dressed) females who hang around trying to get rides on the back of motorcycles.

Also can be the girlfriend of a motorcycle rider. Him in full riding gear, her in a tank top with her thong hanging out the back of her jeans.

Originates from the expression 'having a monkey on your back".
There goes Jim on his Kawi with a curb monkey hanging off of him like a lemur.
by EndoCanuck October 08, 2003