It means to greet another person. It shares a striking resemblance to the word "hello" both visually and grammatically. It is usually used in texting as a shorter way of saying "Hello" but a less chliché way of saying "Hi".
by NICECHICKENTENDERSBOI October 18, 2017
Patent dialogue of all the fuckboi around the world. So beware if a guy dm you hey then that means hey a virgin fuckboi who's hungry to be used.
by Arpit01 June 03, 2019
"Hey how are you today"
by Bella Rose-Honey April 05, 2022