wat horses eat dumb ass not the hello form
hay is for horses

hey is for people
by fat c*ck August 12, 2009
A basterdization of the greeting, "Hey". Commonly used by /b/tards on 4chan.
"Hay guyz, what's going on!?"
by Irne May 09, 2005
Marijuana that is old or has a lot of shake, or just some bap ass weed. At least thats how we say in Florida.
"Yo dont by trees from that nigga DaJuan, that nigga be servin that hay dog straight up."
by WeedMan March 08, 2004
that funky green plant all the kids are smoking nowadays
smokin' on haaaayyyy in the middle of the bar..... - crucial conflict
by King Nicky July 16, 2003
A term used to describe someone who doesn't follow through with plans, or bails on them.
"I was supposed to hang out with Willie today but he bailed again. What do you expect, he's hay."
by Donny Planet January 12, 2010
The retarded way of saying "Hey" in conversation. Mostly used over the internet because the person is a complete dumbass and can't spell "Hey", or they're just being sarcastic and making fun of those dumbasses.
Dumb Person: HAY GUYS!
Normal Person: Shut the fuck up.
by AuntieTATA August 23, 2005
Verb. To emphatically agree to attend an event, only to not not attend, without any notification.
Are you going out with Sean or is he Haysing you again?
by larucifer July 06, 2010

1. hello(from a misspelling of hey)

2. marijuana

3. a bed
Hay dude! How have you been this week?
by The Return of Light Joker February 17, 2008

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