flat-backed

Describes someone so outrageously drunk they end up horizontal—usually on a couch, the floor, or wherever gravity decides they should be. Comes from the image of someone literally being on their back, flat as a pancake, because standing is no longer an option.

"Bro was so flat-backed last night, we had to roll him onto a yoga mat and hope for the best."

by Handle Not Found July 12, 2025

Bonita flatbacker

It’s when you go upside down and shit in someone’s mouth and then nut in their mouth and then give them a golden shower.

“Yo bro we snuck in some apartments in Chula Vista and there was a party and we gave them the Bonita flatbacker!”

by The slick joker January 20, 2026

Flapjacked

For a male to place his testicles on another person would be called " teabagged". Being" FLAPJACKED" would be a female placing her vaginal lips on another person.

Oh my god I passed out last night and one of my girlfriends "flapjacked " me while I was asleep.!

by Christo357_1369 September 11, 2019

Flapjacked

The state of being both fat and muscular

That man is flapjacked

by Twistamoneus December 13, 2020

Flatsmacked

When the Flat Earth Conspiracy or Conspiracy theorist gets shut down with truth and evidence so hard they are too embarrassed to back up their ridiculous claims.

That flerf got flatsmacked so hard they deleted their TikTok account!

by Kaladin Stormblessed July 29, 2023

Flatback

To get slammed by Corbett Callahan

Person 1: holy shit he just flatbacked that state trooper
Person 2: yeah, that’s Corbett Callahan

by Chodemuncher September 8, 2023

Flatback

Reference to a retard or artistic person whos back off their head is flat.

That flatback is tring to bight his own ear.

by Jack Metcoff August 12, 2025