To be a complete and utter idiot or fuckwit
Your such a mongdog.

You mondog
You giraffe necked, squirrel headed mongdog
by SaladHunter March 30, 2017
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1. A fusion of the word mongrel and dog, usually describing an easily angered midsized canine.
1. Pops your mongdog tore up the screen door again.
2. My car silenced next door's mongdog.
3. Mongdog is going to the vet to have his balls removed.
by decepti - kun October 5, 2005
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