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1. Ruster
See Duster

(adj.) Someone who has not been used in so long that they have become rusty. (suck)
"Conor Merrill rides the bench the whole game. This making him a ruster"
2. ruster
A cock
Dude, my ruster itches.
by bill Nov 19, 2002 add a video
3. Ruster
A man or woman from rural sections of any nation that acts as if they are in the hipster scene and pretend to be cool and up to current events.

A hipster poser
That girl at the rural coffee shop is a real ruster, trying to be all cool and shit with her indie music.
4. ruster
derogitory term for Piru's
Fuck tea time rustersz Cuz!!!
by Loc- O [bk] Jun 22, 2004 add a video
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