louse up phrasal verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of louse up phrasal verb from the Oxford Advanced American Dictionary

louse up

phrasal verb

Phrasal Verbs

(informal)

to spoil something or do it very badly Don't louse up our chance of winning!

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

See louse up in the Oxford Advanced Learner's Dictionary