Bollix up
Bollix up verb - To make or do (something) in a clumsy or unskillful way.
Usage example: you've bollixed up the whole thing
Gum
Mutual synonyms
Cite this Source
Gum and Bollix up. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/bollix_up/gum
Bollix up & Gum. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/bollix_up/gum>.
Gum or Bollix up. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/bollix_up/gum.
Google Ngram Viewer shows how "bollix up" and "gum" have occurred on timeline