Those people(usually women) that you see in the gym every single day whose entire workout revolves around cardio exercise. You'll pretty much never see them in the free weights section or even on the nautilus machines. Their whole workout can be summed up as either a lengthy period of time on some cardio machine(like an elliptical) or they take some group cardio class. They get all sweaty and really think they're killing it in the gym, but as time goes on, you notice that their bodies look no different because they plateaued ages ago.
That girl hits the gym almost everyday and she's thin and flabby at the same time. Must be a cardio bunny.
by Nightowl358 September 30, 2015
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Morning sex so vigorous and intense that it’s equal to a heart racing, pulse pumping cardio workout.
Did you hit the gym this morning braaaaahhhh? No broooooohhh got in some morning cardio before I left the house.
by Eaton Holgoode October 25, 2018
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I'm in shape because im always doing cardio at night.

Jimmy is always doing night cardio. Jimmy is a savage.
by Jakethesnake1234 February 14, 2017
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Engaging in any form of sexual activity in a public place, surrounded by nature / foliage
Going for a walk in the park with the gf later, if I'm lucky I might get a spot of bush cardio in aswell while we're there
by BBJomo February 20, 2021
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Mastrabation using hands
After coming home from her spin class Mary bolted to her room to do a furious session of hand cardio before her shower .
by All in March 31, 2016
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when you get hit in your butt hole so hard somehow that you can feel your heartbeat in your butt hole.
I pogode on my skateboard so hard I gave myself a cardio pipe!!
by cardio pipe November 6, 2014
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That sweet spot where a guy has enough to drink not to have whiskey dick but, can last more than 10 minutes.
Girl 1: Yeah the sex was great and he went all night. Girl 2: Yeah your man had Cardio Cock .
by Charles-n-charge January 11, 2020
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