A person who has another gf or bf while dating somebody else and isnt faithful. They couldnt just end the relationship instead of telling the person they didnt want to be with them anymore.
My boyfreind is a cheater becuase he cheated on me and when i found out and told him i knew he avoided it.
by Queen Jae' June 6, 2014
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To receive sexual favors from one other than one u have promised to be faithful to.

See also: liar dirty scumbag evil nothing heartless
Example : when a man denies all knowledge of being a Cheater and claims incense until having broken up.then claims they hung out and she started having feelings for him but he had nothing for her and until this point had denied guilt of any said sexual favor or flirtatious acts for 7 months. All lies. Jimmy J T is a liar and a cheater. Believe nothing he says.
by Mrs. Gullible April 20, 2016
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To have sexual relationships with more then 1 girl or women.
My girlfriend and I had been dating for over a year when we decided to get married.
My parents helped us in every way, and my friends encouraged me.
My girlfriend?
She was a dream! There was only one thing bothering me.

That one thing was her younger sister.
My prospective sister-in-law was twenty years of age,
wore tight mini-skirts, and low cut blouses.
> > > She would regularly bend down when near me, and I got many pleasant view of her underwear. It had to be deliberate. She
never did it when she was near anyone else.

One day little sister called and asked me to come over to check the! wedding invitations. She was alone when I arrived. She whispered to me that soon I was to be married, and she had feelings
and desires for me that she could not overcome and did not really
want to overcome.
She told me that she wanted to make love to me just
once before I got married and committed my life to her sister. I was in total shock and could not say a word.
She said, "I'm going upstairs to my bedroom, and if you want to go ahead with it just come up and get me."I was stunned. I was frozen in shock as I watched her go up the stairs.

When she reached the top, she pulled down her panties and threw them down the stairs at me. I stood there for a moment, then turned and went straight to the front door.
I opened the door and stepped out of the house and walked straight toward my car.

My future father-in-law was standing outside With tears in his eyes he hugged me and said, "We are very happy that you have passed our little test. We could not ask for a better man for our daughter. Welcome to the family!"

The moral of this story is:
Always keep your condoms in your car!! :P
Cheater
by AznEmoZ March 14, 2008
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An American reality TV show that busts cheating lovers in the act.
"Man, I'm suspicious. I think I'm going to call 'Cheaters' on her."
"You can't...they're not producing new shows anymore."
"What?!!!"
by CBinion91 April 8, 2020
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cheater or cheated

One who betrays someone they love cause they were drunk and wanted to kiss some guy and then didnt even sound that remorseful on the phone after she told him.
My girlfriend cheated on me while i was at home worrying about her.
by *sighs* December 5, 2004
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a guy/girl who is in a relationship but goes and messes around with another person and either kisses or fucks instead of you. for example a guy is dating a girl and then he is with her for 2 months but then decides to go have sex with a random girl from a one night stand instead of his girlfriend is a CHEATER.
omg he is such a cheater, i heard he slept with another girl and not his girlfriend.
such a shame. guys aint shit
by aaliyahhh October 14, 2018
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