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1.
another name for hayward california..EAST BAY..510!! like WHAAA!!..stack'd out
reppin haystack fo lyfe
by stack'd 0ut August 16, 2003
 
2.
Hayward california, in the bay area, aka the stack haytown, hay-Ward
ya niggaz quit clamin haystack bitch
by blunt1 March 27, 2003
 
3.
The city of Hayward, California. It is known as the "heart" of the bay. The city was founded by a man named William Hayward, who came to California to seek his fortune in the California Gold Rush (Began in 1848, I believe). He bought some forty acres from some Rancher, and in a few years sprouted into a town. Was at one point misspelled into "Haywood". Haystack is a slang term when reffering to this city.
Person A: I live in tha Haystack
Person B: Um...?
Person A: Hayward
Person B: Where is that?
by yay paleontology March 03, 2006
 
4.
a nick-name given to the city of Hayward, CA mainly used by the younger, more "homie" crowd.
by Anonymous October 01, 2003
 
5.
City of Real Boss Niggaz. We Don't Fuck Around. Heart of da bay.
HayStack Straight Stack Shit. Fuck all ya Haterz.

T-FLAT$ YA BITCH.
by N_M_E October 01, 2005
 
6.
A huge cone of marijuana, where the marijuana is stacked above the rim of the cone piece.
Holy shit dude, that cone is a fucking haystack!
by jimbo1z October 19, 2009
 
7.
nickname for Patrick Danahy aka the worlds meanest soap box derby racer. One time he ran into a haystack. bam. he is epic.
Yo haystacks wanna bake?

Haystacks, wanna come over and paint my car in Aztec Orange for four weeks?
by calisurferbabe89 June 19, 2010