Top definition
When all a guy does is go out with fat small girls. Its like he has no standards and thinks that small fat girls are attractive...
Guy1: hey im goin out with sara
Guy2: dude shes fat and shes tiny
Guy1: .....
Guy2: didnt you go out with jane a while ago...??
Guy1: yeah why
Guy2: go look up the fat midget theory dude...
by bellend_to_the_end September 30, 2010
Get the mug
Get a fat midget theory mug for your buddy Sarah.