adulterer 

a man who cheats on his wife.
a man of low morals or character.
man of little integrity.

He cheated on his wife. Pond scum.

adulterer by lob February 24, 2005

Adultescent 

1. Noun

An adult whose interests and behaviour follow youth culture; someone who has not fully grown up.

2. Adjective

An adult who has this pattern of behaviour.

1. I really cannot figure out how he dares to wear that outfit at 50. He's just an adultescent.

2. Let us go to another disco. This one is full of adultescents.

Adultescent by Ezechiel February 21, 2007

Netflix Adultery 

Watching a film alone on Netflix and denying it, then getting busted when spouse checks your Recently Watched list.

"I got caught committing Netflix Adultery when my husband found out I'd watched The Bourne Legacy after he fell asleep."

Netflix Adultery by Salome Wilde March 19, 2013

premature adulation 

clapping before the performance is done.

It was so embarrassing when all you could hear was the soloist's aria and John's premature adulation in the auditorium.

premature adulation by Gryfin December 30, 2011

adultery 

A married person sleeping with somebody other then their SO, whether or not the other partner knows about it.

Sleeping with a married couple is adultery on the part of all three people.

adultery by Loki April 10, 2002

Adultery 

Cheating. Straight up cheating on your wife or husband. Simple as that. Now go read a book.

Y'all seriously couldn't have just googled adultery?

Adultery by Nadia Duffett May 28, 2018

adulted 

the act of being an adult; to do things your parents would normally do, but they aren't around, so now you have to do them whether you know how or not.

Today I adulted when I took out a loan for school without my parents being there.

adulted by Jc23 September 10, 2015