Entry 4 senses · 4 variants Webster, 1913 Yuck /yŭk/ · IPA /jʌk/ v. i. v. t. interj. n. 01 v. i. To itch. 1. To itch.[Prov. Eng.] 02 v. t. To scratch. 1. To scratch.[Prov. Eng.] 03 interj. an interjection expressing repugnance or distaste. 1. an interjection expressing repugnance or distaste. 04 n. a laugh; also, a joke or gag; -- usually used in the plural, as, the skit got lots of yucks. 1. a laugh; also, a joke or gag; -- usually used in the plural, as, the skit got lots of yucks.[slang] Syn. laugh; gag; joke