1.misspelling of hey
2.short for how are you
3.The stuff that's in a cart that you jump into from a tower or something.
Jump into hay all the time after synchronizing a view point, it has nice vitamins and minerals.
by GameGal101 May 9, 2009
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 9, 2004
A basterdization of the greeting, "Hey". Commonly used by /b/tards on 4chan.
"Hay guyz, what's going on!?"
by Irne May 9, 2005
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 13, 2010
is for horses
Hay, just cause im bored and baked at school :)
by -Jason Super Fly- March 11, 2009
combines, 'hey' and 'How Are You'
quick way of writing it.
Mia: Hay!
Jaz: I'm good, hay?
Mia: great thanks!
by Jaz144441 January 8, 2008
A new word being used on AIM "Hay" meaning "Hey" also being an acronym for "How are you?" So all in all it means "Hey how are you?"
snowboarderb420 : Hay
P8ntBal2Xtreme : Good , u ?
by Penguin Izzle February 27, 2008