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1.
n. One who accepts and assoiciates themselves with ska music and/or genre.
Two ruddies danced the night away to Catch 22.
by _Jeff_ August 15, 2005
 
2.
AKA "Rude Boy" or "Rude Awakening."

A practical joke where one person ejaculates into their hand and slaps it across the face of another sleeping person, waking them up.
"Matt gave me a rudie when we shared that brothel room in New York and it was the most unpleasant way to wake from my dream."
by radioactivedoc July 22, 2008
 
3.
Someone who wears tracksuit/trousers bottoms low and wears new era hats, possibly with their hoods up.
Constantly distrupts classes, kind of like a wasteman.
Cant seem to shut up, when in a group sounds like a pack of monkeys.
''look at these rudies....''
''Why do rudies sit at the back of the bus?''
by Jun ki January 11, 2008