Slang term, rhyming slang for ecstasy tablets
Oi bruv get some of them jack and Jill’s me and the boys are going raving

Fucking hell mate I was so spanked from them jack and Jill’s me jaw was swinging
by AnusSplitter November 07, 2019
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Jack and Jill went up a hill
So Jack could Lick her candy
But Jack got a shock and a mouthful of cock
Because Jill's real name is Andy
by Gustetas November 08, 2019
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Two Fuckers That Went Up A Hill To 'Play'
Jack And Jill Went Up A Hill To Smoke Some Marijuana. Jack got high and grabbed her thigh and then beat her to death with it and pushed her down the well.
And that was the Jack And Jill Story
by TheMinionRaider December 15, 2019
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