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short for East $ide Royalty, a large rap group from the east side of Buffalo, NY.
"E$R! FUCK RP!!!" -from the song "They Call Him Rockstar"
by "Sniper" February 16, 2008
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Sep 8 Word of the Day
A casual invitation / threat used by an individual that is not afraid of fucking someone up.
PAUL: I'm going to beat your ass.

JACK: Fuck around and find out, fool!
by NX STARCHILD October 16, 2020
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