what 

An overused lyric by a rap artist called Lil John who will say what for no reason when hes not even being talked to.

Your avewrage guy talking to Lil John:

Person: Hey can I have your autograph?
Lil John: WHAT?!?!?!

what by HyperActiveToothpick May 13, 2005

what 

A question mark, "?" (unicode 0x3F).

some nut: "Qrrbrbirlbel!"
you: ???

what by Irrelevant September 18, 2005

what 

A WORD THAT IS A WORD

WHAT IS A WORD

what by iloveswimming56 August 6, 2016

What 

The Word That People Say When They Don't Understand Something

Person 1: You know what a proton is?
Person 2:What?

What by Go Fuck Yourself Easter Bunny November 23, 2017

What 

When you wanna know something that u dont know

Example #1
Someone:"hey NOUB."
You:"What did u just say to me?"

What by HahaLemonXD October 20, 2018

What 

What means something that is used to ANNOY the heck out of someone.

Richard: hey jorge did you like the movie?
Jorge: whaaath!
Richard: did you like the movie?
Jorge: whaaath!
Richard: DID YOU LIKE THE MOVIE YES OR NO!!!!!
Jorge: whaaath!
Richard: YOU KNOW WHAT FORGET IT!!!
Jorge: just to let you know the movie was great!

What by Whaaath!!! October 20, 2018

what 

what

what did you say?

what by dunnowhatiam January 17, 2019