# louse up

> English word · Verb

## Definitions
1. To mess up; to confuse; to put into a state of disorder.
2. To mistreat (someone).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/louse-up