Abbreviation for 'The Haystack'...a slang term for the city of Hayward, California in the Bay Area.
"He's from the 'stacks".
by Jack-D May 19, 2009
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To fall down or crash whilst on bicycles, scooters, scateboards, etc.

Australian colloq.
hey mate, did you see that guy who fully stacked it on his bike the other day?
by iamewy January 31, 2009
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Yo, I only gotta stack to play wit for the weekend.
by Brath November 7, 2004
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one stack = 1 G
by Anonymous July 14, 2003
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You say this when you’re being deadass, but more than deadass. Like someone is being held at gunpoint.
Guy 1: i don’t like you that much
Guy 2: deadass?
Guy 1: no...
Guy 2: haha good joke ma—
Guy 1: on a stack
*Guy 1 murders Guy 2 and effectively reduces his life to nothing but shambles*
by cracked :) March 12, 2021
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