To have no earthly idea how anything works but make your opinion known as loudly as possible anyway, usually while under the influence of alcohol. inspired by Matt Gaetz.
"My head hurts. What happened last night?"
"After several hours of gaetzing like an asshole, we drove you home and dumped you on the lawn"
"I need to rethink my life..."
A word used to describe an individual deprived of a reasonable amount of common sense or intelligence. This term is usually used as an insult referencing the public service ad on Down's Syndrome with Wayne Gretzky that came out during the mid-eighties.