When somebody takes a giant shit after eating lots of corn and red food-coloring, blends it in a blender with Gorilla Glue, broken glass and wood chips, then packs it into a hypodermic needle and injects it into their body where the most fat is found, waits for 20 minutes and has a friend get a steel baseball bat and hit the said area as hard as possible in a single swing.
"Dude, I got so horny yesterday that me and Jill had to break fat!!"
by Ibrokefat October 4, 2011
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A break from activity reserved for those with a 'few extra pounds', aka the fat.

When a fat break is declared, all activity is halted and precious breathes, calories are consumed, and/or other rejuvenating acts are carried out by said fattie.

The term can also be used ironically by someone who is not actually fat, but is in the spirit of 'fatness'.
Friend #1: *whilst biking; Want to go up that hill?
Fat Friend #2: Yeah, but I need a quick fat break.
Friend #1: Dude, this is your 4th fat break this past hour. Alright *patiently waits*.
by GeorgeLaz January 19, 2019
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