Best definition
This word is usually used on accident when people misspell the word “What” online.

Person 1: *sends picture*

Person 2: whag is that

Person 1: Whag?

Person 2: I ment what

Person 1: Oh it’s just a picture of my dog.
Whag: define #2
WHAG is a word that means something good and enlightens one when said to or even seeing the word
DUDE1:dude that was soooo WHAG

DUDE2:like bro I know that it was soooo WHAG