The nickname of the old Grand Street Shuttle train that ran from 57th Street and Avenue of Americas to Grand Street in New York City in the 1980s, the cars used as R27s had every wheel with flat spots and made such a loud noise you can hear the train from as far as 5 stops away.
"Damn Jimmy what the hell is that loud noise in the tunnel?" Ah Tony that's the sound of the "Flat Wheels Local" and it sounds like its at 34th Street herald square right about now!
by GeneralHawk505 April 29, 2023

by Ctrlz.onion June 11, 2018

*Kid sees another kid hanging from monkey bars*
"Hey, how's it hanging?"
*crickets*
"That's the definition of a flat liner."
"Hey, how's it hanging?"
*crickets*
"That's the definition of a flat liner."
by ADR767 September 9, 2013

“Scratch one flat top,” radioed during the Battle of the Coral Sea by LCDR Robert E. Dixon to the USS Lexington
by Merrian Dictionary September 20, 2022

After a 90 minute ride into the city, Ian's cajones were more flat packed than a pre-delivered Billy bookshelf.
by the original imac March 16, 2010

A humorous and tongue-in-cheek term used to describe discussions or conversations centered around the Flat Earth Theory. This lighthearted expression playfully suggests that such discussions lack the well-rounded and spherical nature of reality, highlighting the unconventional and debunked belief that the Earth is flat. Often used to inject humor into conversations about unconventional or pseudoscientific ideas, acknowledging the eccentricity of the topic.
by mi1es January 10, 2024
