Backs on backs means you have a big bum, basically having a bigger bum then a normal big bum
She has backs on backs on back
by gmg😋 July 2, 2017
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Hitting the blunt or joint twice and then passing it.
"Yo guys hit it back to back then pass it"
by Kevin Crosby May 20, 2005
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When you are in the cross fires of militant factions who are all shooting at you and your partner, and will probably suicide bomb the shit out of you if they get close enough. So then you're like "Back-to-Back!!!" and you and your partner are back-to-back against each other shooting the shit out of them with machine guns.
(scenario: their are about 10 radical militant motherfuckers running at you strapped with explosives from all angles, and you are surrounded)

You: "Holy Shit! We're fucked!"
Your Partner: "We only have one choice."
You look at your partner, and then say " BACK-TO-BACK!!!"

(Guns firing... you kill them)
by AO2 June 19, 2008
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to sit back to back with another male and jerk off, usually backs are not touching, but if they are its a TBTB touching back to back.
tom: hey rod wanna toss a batch back to back ?
rod: yeah like the last time where you painted my back?
tom: no dude i promise this time, we'll make it a TBTB so there will be no surprises.
by sweet_lou September 28, 2007
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The act of two people deficating in the same toilet seat thus they are using there backs as support.
After a long committed commited friendship, bob and I decided to perform back to,back. back to back
by Rickie Mitch March 2, 2014
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Where two males back up on a large dildo
Did you here Brent is the BYC back to back champion!
by Bye week March 23, 2021
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When an individual sees two ladies in a row with great racks. Usually occurs in a public setting, such as a sporting event.
Just saw back to back racks while heading to the snack bar.
by triz18 September 5, 2011
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