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Runner's Tumor

This is an extremely well-known phenomenon among the mentally gifted. Those who are more mentally capable than their peers have a larger than average tumor in their skull. This tumor, due to its size and maliciousness is capable of doing more damage to the prodigies' brains than the average person. This occurs when these individuals leave the safety of their bed and are exposed to overly dynamic activities such as running, jumping, or the horrible agony of HIIT. Therefore, experts advise these gifted individuals not to expose themselves to any of these dangers. Highly common symptoms of such a tumor are headaches and/or laziness developing during or after the individual commits the sin of performing any of the above-mentioned endeavors.
Oh for fuck's sake - said Einstein - my Runner's Tumor is trashing my brain again!
by breadakita December 21, 2020
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Runny Cosby

When you have the leaks and make it a buffet on your girls chest.
Gave my X wife a runny Cosby
by Winkydink089 January 10, 2021
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runny cosby

When you got the runs and duke on your girls chest
She is amazing, she loves the runny Cosby
by Winkydink089 January 11, 2021
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running on a treadmill

To have sex. Preferably on or near a treadmill.
Jared: What were you guys doing down there?
Joe: We were just running on a treadmill
by Big Poopie February 20, 2021
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running a skytrain

Person 1: did you gang bang carley?
Person 2: yeah bud we ran a skytrain on her
present tense: running a skytrain
by Dani604 January 23, 2021
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runnin a nice fade

having a nice time off the marijuana, enjoy being high at that moment
Im runnin a nice fade at the moment how bout you
by Big Doyer Peppers January 25, 2021
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runnin-a-muck

1. Consciously, with very firm motivation, doing whatever the f**k you want, whenever the f**k you want, however the f**k you want, with whomever the f**k you want, simply because YOU can without explanation, rhyme, or reason as to why, all while having the most fun ever and avoiding the law.
Have you seen or heard from Lesha or Lauren because I heard they were runnin-a-muck again...
by creatorofquinn January 27, 2021
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