1. Originating from Ethnic Descent's album "Simply Kept," fat love is deep, tender, ineffable feeling of affection and solicitude toward a person, such as that arising from kinship, partnership, or a sense of underlying oneness, resulting in fulfillment of enormous proportions.
2. An expression of one's affection to the largest extent, not necessarily making one physically fat with love (although this may be the case for some), but emotionally and spiritually fat with love.
a very cute lyric in 50 Cent's song "21 Questions". Popular in the Chicago area to say to someone you adore.
"And we only humans girl we make mistakes, to make it up I do whatever it take
I love you like a fat kid love cake
You know my style I say anything to make you smile"
When a guy is nice to a fat (or ugly) chick who is usually ignored or unliked by other guy. The fat chick sees it as the guy liking her and is immediatelyinfatuated with him.
Applies to other situations where someone is ignored, is given attention and then falls in love with the person giving them attention.
Bill: Hey, hows it going?
Fat chick (in head): OMG! He's speaking to me! He must like me! And he's so hot too! I love him!
Bill (in head): Shit! I shouldn't have said anything, I think she's experiencing the fat chick love effect.