backstabber, a person pretening to care about you but causes you downfall in future.
For example:

annie: thanks
backstabber: No problem friend!

------ 5 days later -------

backstabber: I always hated you annie!
annie: but you said we were friends...
by popooooooopo January 3, 2014
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a person who does somthing naughty with another person then turns aroud and tells people and never calls that person or comes to see that person!!
he made-out with her and never called her when sh really liked him!!
by shaina September 23, 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 12, 2010
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People who you think are friends but then they attempt in causing your downfall.
by Tai-chan August 21, 2005
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piece of crap bitch who thinks their smarter then everybody highly manipulating pitting people against each other and screws over the people closest to them .
backstabber next time you bob your head I hope your neck just snaps.
by northsidelunatic September 11, 2016
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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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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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