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1.
South African slang for a graze or abrasion
My leg was covered in roasties from falling of my bicycle
by Tonytong January 13, 2011
 
2.
an amazingly talented, and wonderful brit. A roastie is a warm, intelligent and all-knowing person. One can only hope to attain the status of roastie! A roastie is admired by all!
wow!...she a roastie!
by la grenouille March 06, 2010