What does arm-monkey mean?

arm-monkey meaning in Urban Dictionary

An arm-monkey are those "friends" you most likely cannot really like, but go out with only is nice. Usually more youthful than you. These arm-monkeys believe its "awesome cool" to grab your supply and hang on to it like a monkey hangs onto a branch.you realize you have got an arm-monkey as you'll want to stop your arm each time the "monkey" comes around and keeps about it.