yuk it up

== English == === Alternative forms === yuck it up === Verb === yuk it up (third-person singular simple present yuks it up, present participle yukking it up, simple past and past participle yukked it up) (US) To clown around: to behave clownishly; to joke idly. ==== Synonyms ==== (behave clownishly, idly): act out, clown around, goof off, horse around, muck about, muck around, muck up ==== Translations ====