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 3, 2013
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To sneak behind someone's back in the hopes of catching them unaware. A term popularized in gaming communities that has two definitions depending on the context:

1) On TV shows like Big Brother and Survivor, a backdoor tactic involves playing an item that grants a player immunity on the agreed upon target at the latest possible moment. This makes it so that the actual target who you plan to vote for, to eliminate, has as little time as possible to scramble to get enough votes to keep themselves alive in the game. Keeping them in the dark about the plan to eliminate them until the latest moment also may make them less likely to try harder in challenges, mistakenly believing they'll be safe, when in actuality they're the one being targeted. This is similar to a "blindside", but to "backdoor" someone refers specifically to a plan that involves removing someone who is in danger off the chopping block and setting up another player for elimination.

2) In MOBAs like League of Legends, a backdoor is a tactic that usually involves one strong player splitting away on their own with the goal of sneaking behind enemy lines while the enemy team is distracted elsewhere and destroying their base (specifically their nexus) to win the game before they can react in time to stop you. Made famous by xPeke who infamously backdoored SK Gaming with Kassadin.
Rob: So, everyone is on board to backdoor Russell?
Sandra: Yes. Play your immunity idol on me tonight, Rob, and we'll all backdoor his dirty ass out of this game.
Rob: I can't wait to see his face when he realizes he's being backdoored.
Sandra: He's so stupid, he probably won't realize what's going on until after Jeff snuffs out his torch.
by scotstee April 6, 2022
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1. To gain entry into a house through the backdoor (or robbing the house)
2. When a store’s employees take/buy items before release
1. me and jay just backdoor his neighbor
2. Guy in line: I cant believe footlocker didnt have anymore breds!

Another guy in line: yea i heard all the employees backdoored them
by brandondior October 4, 2019
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place in nyack, ny where eighth graders and freshman gather and dress in scene attire while pretending they like the "hardcore" bands that play. kids in bands are usually 14-20 and are always asking if they can play one more song. girls are usually looking for someone to hookup with and guys are usually too stupid to notice or wearing tight pants and questioning their sexuality. emo kids sit in the back on chairs or in large groups of other emo kids you can spot them because they are all wearing black or have orange/green/purple/pink hair and five pounds of eyeliner on. scene kids will also have these attributes but are probably yelling "rawr dinosaur". anyone wearing an atrium shirt is probably thirteen or younger and an incredibly stupid poser.
bang bang brittanyTM is s0 totallii going 2 the backdoor tonite!!111
by alfred newburger December 12, 2007
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