Any person, male or female that is characterized by the traits of being a dirty.
1) flicking pennies at people
2) eating hogies at lunch every day
3) attaching their keys to belt loop as to make a noise while they walk
4) making loud noises in hallways
5) often congest hallways
6) names usually and in obby or obbie
7) hang out in groups with other robbies
8) piss in your gym locker
9) usually steal things
10) shoots tops off of water bottles at lunch
"hey robbie how was the hoagie"
"i dont know how im going to get to class with all those damn robbies in the hallway"
money, Benjamins, bling bling
"I like the guys with the robbies"
All of the hott girls like the guys with the robbies.