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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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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1. Using a person as your friend but actually really hating their guts.
2. Using a person as your friend, and then ditching them for new friends.
"Oh my god, that girl such a backstabber!" She said.
"Yeah, I know, I can't believe she'd do that," The other girl agreed.
by Lying Lisa January 24, 2008
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all your so-called friends who turn around and screw you over
Until second semester our group of friends was close until everyone started dating each other, we found out who the REAL backstabbers were, thanks you guys.
by jlo June 16, 2003
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some one who says something to your face and another thing about you behind your back
NIALL:dude1 that song you wrote rocks i love it! im gonna write in on my dick so ill never forget it!
Dude1:ok cool but i gtg see ya!
Dude2: so niall what did he say
NIALL: oh he was being a fucking showoff about his song
Dude2: that song sucks though!
NIALL: yea i know man he fucking gets on my nerves
Dude1: Niall you backstabber
Niall: fuck off you lieing cunt! i dont fucking like you because your so arrogant!
Dude1: look in the fucking mirror and think
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A backstabber is a friend who says she will be there for you and look out for you not 2 worry .. She continues the act and then 1 day when you and ur boyfriend break upo she confesses 2 him she has a crush on him ..
Martha is the biggest backstabber of life
by Miszpinky January 31, 2006
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