A person hu likes lots of different types of rock music and wears lots of different styles of clothes and therefore is not a goth, skater, emo, punk or any other stereotype. They kind of swing between styles (like a monkey). Hence the name.
Adam: 'Jess was listenin to evanescence this mornin.'
Jake: 'so?....'
Adam: 'but yesterday she was listenin to Nirvana and the day before she was listenin to Bullet but she has a fallout boy bag. Is she confused or just wierd?'.
Jake: 'Ye dude shes a rock monkey.'
(ckk)
"this new ja rule album is hot. OMG I have been listening to it all day. It is the shiznit, fo show."
(person 1)
ckk, i wouldn't give your troubles to a monkey on a rock.
the Monkey Rocker is basically a cahir that has sex with you, you sit down on the dildo and it penetrates you into your anal orriphus, depending if your a guy or girl, it is meant for both sexes.