Top Definition
To make a person or animal uncontrollably excited by making swift movements and yelling loudly and quickly.
Fido got so riled up the other day that he did 30 laps around the kitchen table, broke a bunch of lamps, barked so loudly that the cops, firemen, and ambulance showed up, and raped Fluffy the cat. Then they arrested him for cruelty to animals and threw him back in the mental institution.
by Nick D July 12, 2004
5 Words related to rile up

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