Top Definition
A person who is foul, disgusting and unpleasant to be around. A person who somewhat resembles a monster.
Herp: "Mom yesterday morning you were a total groady monster."
Herp's Mom: "Why thank you son!"
Herp: "Mom, do you know what a groady monster is?"
Herp's Mom: "No."
Herp: "Good."
by dodomypurplebunny July 29, 2011

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