A unit of distance equivalent to sixty two inches. It is the standard height of the stereotypical short person.
"How tall is Rebecca?"
"Oh, that short girl, she's only yay high."

"Burj Dubai, the tallest manmade structure in the world, is approximately 519 yay high's tall."
by juice27 December 09, 2009
Top Definition
An imaginary unit of measurement, that illustrates the unknown height of an object. It is often accompanied by the placement of a hand at the general area this object's height might be at.
Julie: How tall is Amanda?
Tom: I don't know, about yay high?
by [restricted] September 05, 2015
exactly 38 inches from the ground
my two-by-four is about yay high
by eddie kucharski February 21, 2007
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