To go behind someones back and betray them
Mike accused me of trying to backdoor him and talk to his friend
by 1kblack October 18, 2019
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To enviously kill a friend or someone who trusted you unbeknownst to them
Why they backdoor dude like that I thought that they was cool
by Ragly March 09, 2019
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When the location of an unsuspecting person is acquired, typically through their “friends” or a girl they might know. This location is usually given to the opps in order for this unsuspecting person to be set up, robbed, and sometimes killed. Lil Durk on his feature for “Top” says “Your close homie’ll try to Backdoor you if you let him”
Person 1: Bro U gotta watch your back I heard your brothers been tryna set u up

Person 2: My own homies tryna Backdoor me? Fake ass niggas man!
by CloseThatBackdoor January 25, 2021
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When someone tryna take ya girl on the low
Bro you see how she switched up from josh to Jeremiah while she was still with josh ?

Yeah bro Jeremiah backdoored josh.
by Ososmarts June 30, 2017
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Being a middle man to a drug transaction. Short stopping a play. Taking out of the money or drugs that someone else trusted you with.
I can't make any money in today. All the lil niggas in the alley around the trap keep tryin to backdoor my plays.
by StreetCode July 17, 2017
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In League Of Legends , it means you siege unguarded enemy turrets while your team is fighting the other team elsewhere.
Tryndamere, backdoor top lane while we hold mid.
by Hydrotics September 02, 2013
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