Goof up
Goof up verb - To make or do (something) in a clumsy or unskillful way.
Usage example: he goofed up his first sale at the dealership
Gum
Cite this Source
Gum and Goof up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/goof_up/gum
Goof up & Gum. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/goof_up/gum>.
Gum or Goof up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/goof_up/gum.
Google Ngram Viewer shows how "goof up" and "gum" have occurred on timeline