louse

Universal Words noun, verb noun 1 (plural lice ) a small insect that lives on the bodies of humans and animals: head lice seealsoWOODLOUSE 2 (plural louses) (informal, disapproving) a very unpleasant person: Steve had let her down; she should never have trusted the louse. verb PHRASALVERBS louse sth<->up (slang) to spoil sth or do it very badly: Don't louse up our chance of winning!