Mutual Extramarital Relationship 

When both members of a married couple are simultaneously in a relationship with the same third party.

Girl: Can Scarlett Johansson be our Mutual Extramarital Relationship?
Guy: What?
Girl: You know, we both get to bang her if we get the chance.

Mutual Extramarital Relationship by RICH TEEJ October 6, 2011

extramarital sex 

having sex outside of marriage.

that bitch tyrone's been fucking as a side order, is noting like his main meal devanney. fuck that extramarital sex.

extramarital sex by tomnur August 5, 2008

Extramarital Affair 

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!"

Extramarital Affair by Xxxxxxxxfanboyxxxxxxxxxx June 10, 2020

Extramarital Affair 

An affair in which a male or female spouse are cheating on the other spouse with their side hoe/nigga.

Man: I can't believe that she got caught in her extramarital affair!

Man: Well dude, she was always a bit of a thot.

Extramarital Affair by americanrain March 16, 2015

extramarital text 

Flirtatious or seductive phone texting or email to a person other than one's significant other.

Dude, my baby's lost interest in me. She's on that phone all the time. I think she's having extramarital text.

Yeah, Bro, I just got a booty text from her!

extramarital text by weteachourselves August 14, 2011

extramarital text 

Texting a member of the opposite sex, who is not one's spouse or partner, for the primary purpose of flirting.

Sue: That guy I bumped into at the bar just texted me three times to meet for a drink later. Bob keeps grabbing my phone to see who it is.
Mary: Well, you're hot, Girl! That won't be the first time you got caught having extramarital text.

extramarital text by redshirt58 August 22, 2011