1 definition by Yayo Da Don
A person that is so fat or overweight that they got rolls on their back. the type you would usually see on a persons stomach.
Yeah man, I saw Denise at the Hilton Party last night, she changed man. She fatback now.
Yo fatback ass
Damn, shawty been fatback since grade school
Her ass fatbacking.
Yo fatback ass
Damn, shawty been fatback since grade school
Her ass fatbacking.
by Yayo Da Don June 4, 2011