unfaithfuk 

taking part in cheating on either your own or someones partner. The act of the unfaithfuk that makes someone unfaithful

sam consented to an unfaithfuk with lydia, making lydia unfaitful to her partner

unfaithfuk by pez of frome June 14, 2006

unfaithful

Betraying your partner, disrespecting their trust. Being disloyal and not being honest. Cheating.

Kean was unfaithful, he was flirting with other girls behind mya's back

unfaithful by RoastingNiggas November 3, 2015

unfaithful

1. Not true to one's sexual partner.
2. One of Rihanna's song.

"Im not being unfaithful to my boyfriend!"

unfaithful by ThisAsianGirl May 12, 2006

unfaithful cleaner

When your significant other cheats by promising to do all the choirs after they get their way first,

My wife is an unfaithful cleaner always promising to straighten the house right after dinner or a movie etc.

unfaithful cleaner by PSC pimpn November 7, 2013

Unpredictable, Unfaithful

Josie

You are super Unpredictable, Unfaithful by being biodegradable.

Unpredictable, Unfaithful by Yesssssssshshsd January 26, 2021

down unfaithful 

Originates from downbad. When there are so many girls that follow you, but you can't choose one. So you go around dating each one to not let any of them down.

I am jealous of Kevin because Kevin do be down unfaithful. He gets the shorties all the time.

down unfaithful by AnonyPersony August 18, 2021

Unfaithful

When a he or she is obviously sleeping around behind their significant others back.

Normal guy: Hey who were you talking to on the phone?
Khaled: Oh, just my girlfriend. We met on vacation.
Normal guy: Bro, I thought you were married.
Khaled: I am but whatever bro .

Normal guy: Bro, that's unfaithful

Unfaithful by Itsmemartyo January 9, 2019