To be twice as strong.
In particular, refers to acid that has been 'double dipped', however can also be used to describe a range of potent substances/activities/ people etc

See also fat old boy.
Welsh dealer at Glastonbury: "look 'ere boyo, go easy with that- it's double dipped."
by Herman Dogg December 22, 2003
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When a guy sticks his dick into two different people without washing his dick in between the two instances. No condom is used either time.
Girl 1: Do you ever have sex with a promiscuous guy and wonder if he's double dipping?
Girl 2: Oh god, that would be so gross. I don't ever want to think about that.
by Vultrex480 December 21, 2022
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The act of ejaculating into a catcher and having a second pitcher jump in so that his penis gets covered in the first pitcher's semen.
"Hey Mike, Sarah told me you and John double dipped in her last Tuesday."
"Yeah man. Best part was I convinced him to go second."
by Karma Sutra March 10, 2018
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1. Two dudes licking and fingering the same pussy 2. Two dicks in the same pussy
Jessica explodes during a double dipping!
by MOCO & P-Phat February 11, 2007
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A devious sex move where a man penetrates a bitch's vagina, and then swiftly pulls out and penetrate her ass. When the bitch yells or says something about it, the man takes his dick out of her ass, and goes back penetrating the vagina.
Ken pulled off the double dip on his girlfriend because he found out that she was a skanky ho who slept with nine of his friends.
by SnakeBiter November 16, 2009
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The repeated act of fully pulling out and fully insertion of the penis during sex into the rectal cavity or vagina.
He was "double dipping" my ass so hard, it was the best sex of my life.
by wolfboi84 August 16, 2011
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The act of shoving a person back in the womb to then be born again. Meaning the person is dumb, retarted or a Brad.
"Hey dude, why is Brad rolling around on the ground like a spastic?"

"Who knows dude, he's clearly been double dipped"

"Maybe even tripple dipped"

"Don't be ridiculous No one would get triple dipped"
by Bigstick_69__ September 7, 2016
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