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1.
Slang word deriving from German meaning penis.
Omg thats gross. Put your groober away.
by mc_glow September 30, 2005
 
2.
A small thin homosexual male whom is only attracted to older, dominant Aboriginal males. They are usually extremely pale of skin and have a prepubescent cracking to their voice. Groobers are very proud individuals, and often showcase their pride by shouting "FUCK YOU! I'M GROOBER!"
Person 1: "Wow that guy totally has that nate dog's dick in his mouth!"
Person 2: "Oh man he's so skinny and pale, what a homo bitch!"

Person 1: " He's totally a Groober!"

Person 2: " I agree, his voice is cracking like a 12 year old."
by Dismal Pole69 August 26, 2009