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(n.) a fart; a gas

Ex1 - Yo, who just rousered? Thats hella gross.

Ex2 - Someone just did a rouser. I bet it was that fat chick sitting behind us.
by LOLcheese August 23, 2006
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3
Billy Harris thinks he’s a rouser I’ll beat him on the dualy
by Cweatherhill June 11, 2018
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