fu noun 4FU adjective 1exclamation 1FU phrase 1forms 2 noun4 •(informal) a way of fighting that comes from China and uses fast kicks and blows with the hands and feetBut the commercial timing was right—fu flicks were everywhere, and David Carradine and Bruce Lee were cult figures. — 1990 •Initialism of follow-up. •A Chinese literary form developed during the times of the Han dynasty that combines prose and poetry, sometimes called rhymed prose. •flux unit FU adjective1 •Initialism of fine used (in stamp descriptions). exclamation1 •(Internet, vulgar) Initialism of fuck you. FU phrase1 •(vulgar) Abbreviation of fuck you.Rodney’s English was pretty basic that first year, but, according to Elesin, their face said FU, no translation needed. — 2021 formsFUs · fus