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
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 11, 2025