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To Disappoint someone or a group of people. particularly a fan base or followers of a brand, company, or franchise, through means of Bait and Switch, Blue Balls, or outright False or Misleading statements/promises.

Said exactly the same as the number it represents: 53, The SuperBowl with a half time show that blue balled the entire Spongebob fan base after they were lead to believe the show would be an Homage to the "Sweet Victory" scene of the series at the Bubble Bowl.
Guy 1: So did you hook up with that chick at the bar last night?

Guy 2: nah man, She LIII'd me hard. Her number was just some random guy's phone number.

Guy 1: oof
by TranscendentBoredomOverlord February 04, 2019
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May 20 Word of the Day
A cryptocurrency of little to no value, usually a late-comer to the Bitcoin craze, a copycat cryptocurrency.
There are so many shitcoins these days, just stick to the classics.
This new b1tc01n crypto is just another shitcoin.
by Tatsuman February 18, 2018
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