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to respond to a rude, insensitive or just plain annoying text with a "k" then proceed to block that persons number.
he asked me to fuck and I hit him with the "k and block"
by Big Daddy D 69 May 04, 2016
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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