Sex in a car, or just sex where both parties on laying down on a large chair, couch, bed, sidewalk; literally anything you can lay down on.
Oh my goodness, did I tell you about how Jake asked me to have a horizontal conversation with him?”

“No! Omg! That’s sexy!”
by Valunnten February 22, 2018
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Cosplay involving steampunk attire and sex on a velvet lined pool table, pool cue optional
Last night got a bit wild, ended up doing the horizontal pinky with a girl from idaho
by Milesotoole February 1, 2015
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was too lazy to go to the gym so i engaged in some horizontal sweating instead.
by ParkerD October 16, 2012
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To fuck horizontally
horizontal intergration; Having sexual intercourse in a horizontal manner

guy 1: hey who was that girl?
guy 2: just some girl I horizontally integrated with
guy 1: ahh some good ol horizontal integration, fornicate brother
by jlhi99 November 12, 2017
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A sport construction out of metal with a horizontal metal bar in the middle where you can try to to wind your body around it in several positions and directions.

Being loved by german sports teachers at school. Probably invented by the devil himself.

Statistics say that every fifth student can leave the sports hall without crushed balls.
Teacher: You! Come to the horizontal bar.
My balls: Ah, shit – here we go again
by EroxHD [YT] October 27, 2019
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