exclamation of disgust, 1966, origin perhaps echoic (compare Newfoundland slang yuck "to vomit," 1963; U.S. slang yuck "despised person," 1943; provincial English yuck "the itch, mange, scabies"). Variant yech is by 1969.
yuck (2)
"laugh," 1938, yock, probably imitative.
ytterbium
yttrium
yuan
Yucatan
yucca
yuck
yucky
Yugoslav
Yugoslavia
yuk
Yukon
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