verb (used with object) Informal.
- to do (something) badly; bungle (often followed by up): His interference bollixed up the whole deal.
- a confused bungle.
“bungle,” respelling (perhaps euphemistic) of bollocks, plural of bollock “testicle,” from Old English beallucas “testicles,” from Proto-Germanic *ball-, from PIE *bhel- (2) “to inflate, swell” (see bole). Related: Bollixed; bollixing.