~ 1
(also yuk ) informal
■ exclamation used to express strong distaste or disgust.
■ noun something messy or disgusting.
Origin
1960s (orig. US): imitative.
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~ 2
(also yuk ) N. Amer. informal
■ verb laugh heartily.
↘( ~ it up ) act so as to cause laughter; fool around.
■ noun a hearty laugh.
Origin
1960s: of unknown origin.