1. frig up - Noun
2. frig up - Verb
frig up (third-person singular simple present frigs up, present participle frigging up, simple past and past participle frigged up)
(slang, mildly vulgar, dated) To mess up or ruin; to fuck up.
Don't bother coming over, I already frigged everything up!
frig-up (plural frig-ups)
(slang, mildly vulgar) A messed up or difficult situation; a fuck-up.
frig-up
All we really need to do is learn 'em so they don't frig up the cash register or offend the customers. Laura Penny