Are you serious? I STAY fucking fat girls, the sexy ones, too. If you have swag, style and charisma, any fat girl is going to roll her panties down for you. If she smells any hint of insecurity or low self esteem on you, the panties are up and she's out of the door (same as any other woman).
You may laugh, but I speak the truth. Ask around.
<- they modeled this emoticon after me.