The name given to people that consume large quantities of pills such as ecstasy at dance parties/raves.
Jimmy bought a packet of ecstasy and munched them down like a true pill monkey.
Someone who consumes an excessive amount of MDMA on a regular basis as part of their night out. They will usually gurn like a lunatic and be completely unaware of their surroundings, often listen to old school, hardcore or cheesy anthems and wearing a shell suit
"I hate going to festivals there is always a bunch of Northern pill monkeys, half of which are on the rob to spoil it for everyone else"