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1.
721
Love you = seven (7) letters, two (2) words, one (1) meaning. Shorter version of 831 (8 letters, 3 words, 1 meaning.)
Text message: "721"
or "Miss u, baby. C u 2nite. 721"
by Ethan Locke July 09, 2010
 
2.
721
when something gets screwed up but is still workable originated from the stealers of directv... when a couple channels drop and says 'call customer service ext. 721'
My program went 721 but i still have most of he channels
by coca October 26, 2003