The act of pulling your dick out of a bitches pussy before you cum so she doesn't get pregnant.
I wanted to back out, but it felt so fucking good I forgot.
by Unit047 January 20, 2009
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backing out (v.)

When you tell a lie so obvious that everyone knows you're capping

Often said as "backing the fuck out" or "backing clean the fuck out" depending on the intensity of the lie.
Devin: Bill Gates said he's tired of your shit and going to delete your xbox live account.

Justin: Yeah… you're backing out.
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This is normally associated with sexual intercourse carried out at a rough and vigorous pace (most commonly doggy-style), although it can be associated with any activity where it is performed with gusto. This means that you did whatever it was you were doing with particular enthusiasm and/or speed
Good morning Casper. I had a cracking time knocking the back out of Lady Clementine Smyth last night

or

Gadzooks, I could certainly knock the back out of a few glasses of Moet this evening
by Cockles August 29, 2006
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If somebody says this run asf as you can dont look back or else your gonna get stabbed. Back out means pull out something in English slang rambo means knife
Bad guy: ay Run your pockets G
Someone: no fam
Bad guy: I'LL BACKOUT THE RAMBO RIGHT NOW FAM I SAID RUN YOUR POCKETS BEFORE MAN CHEFFS YOU RIGHT NOW BRUV
Someone: ok ok im sorry g dont stab me bro
Back out means Pull out in UK slang
rambo means knife Back out the rambo means pull out my knife
by LenzK1 January 20, 2021
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1.) One who cannot keep his word and always backs out without notice.

2.) No Call, No Show!
Tony: You going to come over tomorrow for the game?
Bill: Yea I'll definatly be there!
@the party.
Justin:Where is bill at?
Tony: I don't know he never called.
Justin: Good ol' Back out Bill
by Tony89 August 9, 2007
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Doggie style vaginal or anal sex that is deep and vigorous leaving the recipient clapped up good with some rearranged lower intestines.
Imma go home and blow the back out on her tonight.

My asshole is ripped from stem to stern after that random last night decided to blow the back out on me.
by Dick Onchin May 27, 2020
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The profoundly relieving experience of defecating a large quantity shortly after having a hearty meal. Most known usages occur when a game of mini golf is interrupted so that one player can relieve themselves as such.
Hold on until Jim returns. He’s in there backing out leftovers
by Larrytheninja May 15, 2019
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