flattie

noun flatties

1. informal A flattie spider, generally in the family Selenopidae, so called because of its flattened, sprawling shape.
2. informal A flat white (a type of coffee).
3. South Africa A flat marinated cut of meat. a chicken flattie
4. slang A flat store. All the rube had to do was throw a baseball into a barrel and get a prize. How hard could that be? But the barrel was rigged with a false bottom as resilient as a trampoline so that a ball thrown from the specified distance invariably bounced out. Not everything was a flattie.
5. A flat-bottomed sloop-rigged sharpie. Flatties were in use on Pamlico and Albemarle Sounds of North Carolina, employed for shoal water fishing and trapping and usually manned by black boatmen ... no duck-hunting or use of guns was allowed by the local white men.
6. informal A traditional two-dimensional motion picture, as opposed to a deepie. “SOMEDAY,” Hitchcock told me, “there will be three-dimensional wall Video screens, and Dial M for Murder will come into its own. But at the time I was making that picture, I worried that 3-D might be a fad that would fade and that Dial M would go out as a 'flattie.' […]
7. Internet A flat earther.
8. slang The operator of a flat joint, or crooked gambling operation. A carnival hawker may run a legitimate game in which you have a fair chance to win, but then again he may be a flattie — a carnival grifter expert at separating the unwary from their money.
9. colloquial A Flat-coated Retriever.
10. colloquial, derogatory, humorous A woman with very small breasts.
11. informal A navel that is neither protruding nor sunken.
12. informal A flatmate.
13. informal A flat pitch, which is typically easy to bat.
14. alternative Alternative spelling of flatty