What is Upstart?
1.
an event, undertaking, or item that seems promising but turns out to be nothing like what you imagined.
Our relationship was an upstart, she seemed really great at the beginning but it turned out she was boring and lame.
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2.
An enthusiastic gay male.
John was such an upstart at the protest.
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1.
Utterly owning someone in Super Smash Bros. Melee using the character Ganondorf. By using his Warlock Punch or Warlock Grab to defeat an..