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!
by Rhian The H.I.M fan October 28, 2004

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.
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."
"I can't believe I forgot to bring my materials to the meeting; I totally mupt it."
by Xeblae April 10, 2025
