flat universer

a physicist who thinks the universe has zero curvature based on measurements of the observable portion of it, and who does not understand the concept of local flatness of a topological manifold
Yo, that physicist thinks he has ruled out spherical and hyperbolic models for space. There goes another flat universer.
by Dr Q July 26, 2024
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flat leaver

Someone who leaves another person in a partnership because they got done with the task first.
"Joeh you are a flat leaver!!"
by Raymond Carlson February 15, 2017
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Rascal Flat

Giving one a a burn in the middle of the forehead with a black and mild cigar, then proceeding to beat them with a sock filled with rolls of quarters
I'm gonna give Tony a rascal flat if he doesnt stop.
by Oooofta October 20, 2020
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Michigan Flat Tire

When a female/male is riding their partners face, and on orgasm they defecate on their partner's forehead and flatten it with their ass cheeks.
Marry was riding my face so hard and gave me the largest Michigan Flat Tire that I'm still trying to wash it out of my bangs.
by Delaware Seagull Shake May 17, 2022
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mccurry alaskan flat tire

Worst than whiskey dick, limp dick or dead erection. Only happens in freezing weather.
when we got home last night, i was so ready to throw him down and hop on top but no such luck--he had a mccurry Alaskan flat tire :( waaaaah..
by DixxieCallahan February 02, 2016
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Flat 17

A secret society of the brightest minds Warwick University has ever seen. They say those lads are gonna take over the world one day, and I wouldn't doubt it.
Don't f*ck with him, he knows the Flat 17 boys
by Flat 17 November 22, 2021
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Flat gap

The space between a flat chested females breast. Noticeable in swimwear or deep V cut shirts
Carrie had major flat gap in that dress, she looked like a 12 year old boy
by Smolien September 27, 2016
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