Louse up
Louse up verb - To make a mistake.
Usage example: everything is riding on this project, so we can't afford to louse up
Mutual synonyms
Cite this Source
Mangle and Louse up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/louse_up/mangle
Louse up & Mangle. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/louse_up/mangle>.
Mangle or Louse up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/louse_up/mangle.
Google Ngram Viewer shows how "louse up" and "mangle" have occurred on timeline