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A person who pretends to be a friend, but then betrays you
Trust No one!! life's full of backstabers
by AC December 03, 2003
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A slimy, jealous, no-life having, dirty, blood-sucking, despicable, smile in your face, a**hole of a soulless person.
by Dea Shay December 11, 2010
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People who you think are friends but then they attempt in causing your downfall.
by Tai-chan August 20, 2005
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someone who pretends to be your friend, becomes close to you,
and leads you to believe you are the best of friends, until the truth eventually surfaces.

anyone who stabs you in the back are way insecure with themselves & they don't deserve to be in your life. forget them.
my best friend stabbed me in the back this year, more than once.

sam and her new horse-faced friend are backstabbers.
by xoxo. a July 19, 2006
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Some one who act nice to your face, but as soon as your back is turned they will turn nasty.

John101: Yeah mate, your in with a chance. Go for it!
Adam07: Really, Ok thanks dude. C u l9er.
John101: Hi Stacey, how are you?
StaceyXOX: i am fine.
John101: You know Adam, hes not interested in you. But i am.
StaceyXOX really?
John101: Yeah, i've liked you for ages!
StaceyXOX: well do you want to go out?
John101: definently

Adam07: yo stacey, look do you want to date me?
StaceyXOX: no sorry, i am dating john. Sorry
Adam07: Oh rite, no worries.

Adam07: John you backstabber, you know i like stacey but you got in there first - i hate you!
John101: i dnt care u loser, i never liked you. I AM WITH STACEY, not you. cya round
Adam07: get lost
by Bker101 November 27, 2007
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someone who acts like your friend, pretends they care about you then purposely continues to carry out actions that they know hurt you
continuing to sleep with someone you're in love with then calling you one of their 'best friends'
by Natalie September 08, 2004
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A person who you will think is your friend, only to find out later that this person spreads rumors and lies about you to your other friends.
A roommate who fronts a nice demenor, only because the rent is cheap. All the while attempting to sabbotage your personal relationships for his own gain.
John: Wally, Sarah just told me what you said.
Wally: I don't know what your talking about.
John: Dude you suck, she just told me that you said that I cheated on her and had girls stay at the house.
Wally: I don't want to talk about this right now.
John: Dude you know you have a crush on my girlfriend, and your just trying to sabbotage that because you think she would date your wierd ass.....Fucking backstabber!
by jpwf August 19, 2009
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