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1. v. to suck and/or blow using the mouth
2. v. to suck, be terrible at something
3. n. a loser or sucker
1. Jenny vacked me last night!
2. You vack at this!
3. you VACKER! or you VACKUH!!!
by bobfrench January 21, 2008
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to be cool...or awesome...a substitute for cool or awesome
johhnys party was soo vack!

That is the Vackest thing ive ever seen
by scotty parker June 30, 2006
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