A communal jar that is passed around and filled with fresh semen whilst chatting.
"Hey Senoir, pass the mayo jar"
by SomeTosser July 14, 2014
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A term for female masturbation, characterized by the noise made while stirring a jar of mayonnaise.
She just finished stirring the mayo jar. Hopefully she didn't get any in her pants.
by Elysian893 November 21, 2010
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