Top Definition
Also "omp" or "OMP"

An expression used when angry or scared some like saying"oh my god"

The word was originally a phrase, "oh my poopy", but the creator's assistant thought it sounded strange, so the creator and assistant creator agreed to the word,"ompoopy"

First used and created by Sarah, followed by Lexi who helped establish it. Used in United States
ompoopy! i can't find my phone anywhere!
by Sarah S. and Lexi H November 04, 2013

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