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To mess something up, but you could have avoided the mess if you had listened.

Often used to describe a situation where willful ignorance or lack of attention leads to a preventable mistake.
"Tommy really mupt it up at baseball practice. If he would have listened to the coach, he would have hit the ball."

"I can't believe I forgot to bring my materials to the meeting; I totally mupt it."
Mupt by Xeblae April 10, 2025
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A muptard is someone who is a cross between a muppet and a retard.
I can't believe you just did that, you muptard!
muptard by Lil Bee June 12, 2006
Related Words
Mr voller is a mupton
mupton by Charva d December 12, 2017
Someone who acts or says something completely stupid and it doesn't make an sense. Usually an insult. Word was invented when someone typo'd the word muppet
Me? A Mupted? Don't call me a mupted, you mupted!
mupted by Rhian The H.I.M fan October 28, 2004
İt’s an amazing word to call addicted’s in Turkish. The person who is addicted to smt (drugs, etc.) Especially to weed
Whats up müptezel (naber la müptezel)
What are you doing müptezel?(nabiyon lan amk müptezeli)
müptezel by Hızlıveöfkeli September 14, 2020

muptizer 

Kenzie your a little muptizer
muptizer by Mupo5rt October 13, 2020

Muptigally 

quit being a mupta (muptigally)
Muptigally by Your uncle steven March 24, 2023