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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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People who you think are friends but then they attempt in causing your downfall.
by Tai-chan August 20, 2005
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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 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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one who is friendly to you/others in your/people's presence, but will say negative things about you when your not around in a heartbeat. some people do it all the time, some just in moderation...

it's something that everyone is at least a little bit at some point in their/your life, just like hypocrites.
everyone is a backstabber, everyone is a hypocrite. almost pointless to even use these too words...
by y2c January 09, 2011
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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 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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