Top definition
A drunken older man who verbally abuses his wife, beats his children, yells at everyone, smashes up vehicles, sometimes doesn't bathe for up to a week at a time, yet thinks his sh*t doesn't stink and that he can do no wrong. Also thinks he is the ultimate authority on everything.
"My father-in-law has had several car crashes, yet still tells others how to drive."

"Gosh, what a Mernie!"
by lilpuppie November 05, 2006
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