A small amount. Or someone being tight, stingy or cheap.

(Heard in south east London)
"He gave me lack"

"Quit giving me lack"
by Chris Hab February 28, 2008
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Ay we should have a blaze then go to a movie, that would be lacked
by shlacked January 22, 2018
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This chocolate lacks sugar; it isn't sweet!
by Jon Davis January 14, 2004
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hey dude greg... you should get a penis pump cuz bro your lacking.
by CKarn February 21, 2007
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Your boo, your girlfriend/boyfriend. Derived from the tagalog word for flower (bulaklak) it is used as a term of endearment but also can be used in lewd terms.
"The boo lack lack has me on lock down, I can't go to the strip club."

In lewd terms:
"Ay gurl, let me get all up that Boo lack lack."

"So I walk into the restroom and I hear these 2 people boo lack lackin in the stall."
by cjaysez March 3, 2011
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