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1 definition by Super Sara

 
1.
A man who forces someone to give him oral sex. Comes from Catullus, the best of ancient Roman poets, who uses this word to describe a government official in poem 10.
Stay away from John; he's such an irrumator. Last time Susan slept with him, she could hardly talk the next day because her throat was so sore.
by Super Sara November 07, 2005