verb (used with object), noun
or bol·ix, bol·lox
verb (used with object) Informal.
to do (something) badly; bungle (often followed by up): His interference bollixed up the whole deal.
a confused bungle.
Origin of bollix
First recorded in 1930–35; variant of ballocks
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
"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.
Online Etymology Dictionary, © 2010 Douglas Harper