Yay High 

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?

Yay High by [restricted] September 5, 2015

Yay High 

Yay High (or Yay Big) simply just means you don't know about the height of a noun. (Ex: a person or an object.) In explaining the person or object's height, you tend to use your arms to show length and/or height.

How tall is John Doe?
He's about, yay high. *using his arms to demonstrate*

Yay High by lemonxyz July 14, 2022

Yay High 

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."

Yay High by juice27 December 9, 2009

yay high 

exactly 38 inches from the ground

my two-by-four is about yay high

yay high by eddie kucharski February 23, 2007