Top Definition
putting some ones penis up ur ass
as in sorority girls, hey that's the girl Jimmy backdoored!
by shoes October 17, 2003
To go behind someones back or if someones betrays you.

Also used in Big Brother USA if someone betrays a member of their team
That bitch backdoored me.
You backdoored me man.
#backdoored #betrayed #went behind someones back #double crossing ## to be false or disloyal
by edward banana figures August 18, 2006
To go on a night out with the LADs and sneak off home without telling anyone at too early a stage in the evening.
LAD 1: Wait, where's Elliot gone?
...10 minutes later after looking high and low...
LAD 2: What a swiller! He must've backdoored it.
#backdoor #backdooring #back #door #swiller
by Hot Chocolate Slut August 25, 2014 take it the gayest way possible. be taken advantage of.
The bossman really backdoored me this time.
#taken advantage of #rape #sodomy #gay #gaysex
by Travmanicas March 02, 2007
To hit someone in the back of the head , running or not.
White Guy : *Not paying attention to anything*

Black Guy 1: *Runs at extreme speeds and hits white guy in the back of the head.*

Black Guy 2: "DAMN! He just backdoored the shit outta that white guy!!"
#back #doors #penis #vagina #orange juice #apples
by Hyrohimaru May 31, 2010
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