Yay

A unit of measurement used in conjunction with the pinky thumb but to measure girth.

Jesse: Hey Josh how girthy is that 3/4 pinky thumb clutch exhaust frame?

Josh: Arghh, I'd say around yay big Jess.

by Viccy Cum March 30, 2022

MATCHA YAY

Every Friday is the day throughout the weekday where a wife's husband buys her matcha VENTI SIZEEEEEE

Wife: do you know what day it is?
Husband: what is it?

wife: MATCHA YAYY

by wakakakakakakakakakakkaa July 31, 2025

Yai

you are an idiot, meaning you are so stupid your only friends are your parents. You need some rehab otherwise you will probably try to kill yourself and not succeed because you are such a dumbass.

Yai Michael, nobody wants you.
Teacher: you got 0% again, Yai James!

by anonymous May 29, 2021

Urban dictionary day yay this has been done before yay day

The day you not allowed to go on any other site except urban dictionary. 26th of December.

Person 1: oh hay it's urban dictionary day yay this has been done before yay day

Person 2: ok imma go on urban dictionary

by Kido123 December 25, 2020

yay

Your teacher will tell you, 2 year old toddler.

Yay! I love marshmellows.

by scratch my back and gimme food October 12, 2020