Etymology
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yay

"this," as in yay big "this big," 1950s, perhaps from yea "yes" in its sense of "even, truly, verily." "a sort of demonstrative adverb used with adjectives of size, height, extent, etc., and often accompanied by a hand gesture indicating size" [DAS].

updated on May 22, 2012

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Dictionary entries near yay

yawl

yawn

yawner

yawp

yaws

yay

yclept

ye

*ye-

yea

yeah