The (male or female) genitals.
She, with the greatest effrontery imaginable, unbuttons his breeches, and removing his shirt, draws out his affair, so shrunk and diminished that I could not but remember the difference, now cresfallen, or just faintly lifting its head.
by Joannis December 20, 2020
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When your mummy and daddy go to the Bahamas but your mummy comes back without your daddy, he is now in Bermuda getting to know your stepmum.
Me and Gerald had an affair, yeah, Gerald's ex was a bitch
by Trumpetlicker69 April 18, 2021
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When one of the spouses gets a little too bored of their significant other, and their eyes start to wander.
Billy: "How could she DO this to me? How could she be with another man behind my back?!"

Jake: "But dude, don't you also have an Extramarital affair?"

Billy: "SHUT UP! That's not the point!"
by Xxxxxxxxfanboyxxxxxxxxxx June 10, 2020
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