To smugly turn and face the opposing direction of an intended audience while having a full fledged conversation usually when it is business critical
*Three People speaking in a triangular formation; one of them is turned with their back to the other two, while the two are in avid discussion*
Lizzy- "Dick, hey I'm trying to communicate a few critical things that need to happen by the end of your shift"
Dick- "Oh, is that what you call it." Hmph (back turned to Lizzy, facing Barnaby)
Barnaby- "Did it not occur to you: You're flat-backing your boss... dick"
Lizzy- "You are a dick, Dick"
Lizzy- "Dick, hey I'm trying to communicate a few critical things that need to happen by the end of your shift"
Dick- "Oh, is that what you call it." Hmph (back turned to Lizzy, facing Barnaby)
Barnaby- "Did it not occur to you: You're flat-backing your boss... dick"
Lizzy- "You are a dick, Dick"
by BMiller58 December 24, 2022

by chileoragnes January 1, 2022

Flat tongue is used to refer to the American - USA (excluding persons with Georgia, Texas, and New York accents) accent.
Speak with an educated person from the United States, excluding persons from Texas, Georgia, and New York with accents, and you'll hear the flat tongue accent.
by Canned Cool Whip January 2, 2012

When an incoherent person who believes the earth is flat and everything is a lie rambles on about their whole belief on how it is "so obvious" that some big company would pay billions of dollars to lie to every civilian on the globe.
Flat Earther: "If the earth is round, then how come we have not been tossed into the ocean yet?"
Intellectual: "Please, stop flat earthing."
Intellectual: "Please, stop flat earthing."
by Omega-Dragon June 2, 2018

Flat credit is a specific representation of mutual credit in which the point of sale is a unit of currency.
Flat credit is also called "blockchain syndicalism."
Flat credit is also called "blockchain syndicalism."
by tomorrowtomorrow October 12, 2018

Bill raised his glass of beer and told his buddies, "It was a good day - I flat tagged Susan at work!"
by Boston Literary April 12, 2016
