When you bust your nut solely from stroking your meat between the ass cheeks of your partner. There’s no penetration. Just friction from that ass crack.
I did the old crack jack last night and nutted all over the small of her back.

I did a crack jack last night with no lube. The skin to skin friction was intense.
by Eaton Holgoode October 11, 2018
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Verb. The act of thrusting a penis betwixt two clenched butt cheeks in lieu of traditional vaginal or anal intercourse until climax.
"My wife had a c section so we can't fuck for 6 weeks. Hopefully, she'll let me do some crack jacking."
by Kickernoc September 7, 2014
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Butt crack jack is a redhead who is a butt crack. He is a pain in the arse and weird. I dislike him and do not trust him.
Butt crack jack the little kid who gets smacked!
by Farting Tim March 20, 2022
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When you book a hotel room to spend the night smoking crack and jerking off to pay-per-view porn.
Sorry I'm late for work, I just got off a two-day crack and jack.
by pizzaman724 January 8, 2011
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"I need to crack a jack"
by sparky.exe September 6, 2006
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The act of drawing a smiley face on your partners ass with the mouth around the anus, thus meaning then when you take them up it, you recieve head and anal simultaneously.
by Iainn August 2, 2005
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a person who has been doing crack until 3 oclock in the morning then eating a steamed bun with the last pickle found in the pickle jar at the back of the neighbors fridge.
steve - "did you see micheal the other night" Jordan - " yes I did" steve - " he totally did a crack pot jack"
by milkman78 October 24, 2015
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