fat fit 

When someone is clinically overweight but still has a good body shape or able to run faster or gym harder than a slimmer person.

See also: Chubby Fit

I thought he was muscled but when he took his shirt off I realized he is just fat fit

Ryan: Dude did you see that guy on the track. He totally out ran me but he is fat.
Steve: Yeah but he is fat fit.

fat fit by -T- September 24, 2014

fit fat

when you exercise a lot as well as you eat a lot and then become massive

"oh Tony have become so massive"
-"it is just because he have been eating and exercising a lot.. he has become real fit fat"

fit fat by glitterybrowniebear January 9, 2017

fit fat

Opposite of "skinny fat". A person who despite their portly appearance is actually in good shape.

NFL linemen are usually "fit fat"

fit fat by Thin Blue Fine August 24, 2010

fat fitte 

Used to describe a "Fattig fitte, a poor cunt

"Du er en fat fitte Magnus"

fat fitte by Jegtrengerhjelp March 14, 2019

Fat Kid 'Fitness' Sickness 

commonly known as FKFS
-The effect when a fat (or relatively large) kid thinks that playing the wii will make you fit.
-may cause sudden attempts (from that fat kid) of actually being athletic when clearly their are not.

'wow nathan tottaly has Fat kid 'fitness' sickness (FKFS) he tryed to flex for some girls because he stayed up all night playing wii fit

Fat Kid 'Fitness' Sickness by Jon DeYonker February 26, 2009