When someone is so fat they have what appears to be tits on their back. Multiple sets are also common.
by MacRae November 06, 2006

back fat so big it looks like titties on your back. In some women, they are actually bigger than their real titties.
by lkmoose87 December 16, 2007

When a criminally fat woman wears shirts far too tight for her pudgy frame, her bra straps push out on enormous mounds of flesh. Thus, these sweaty appendages take the appearance of floppy tits.
by 1_tough_hombre January 30, 2008

by Mochachocolata_pammy January 28, 2019

When a very large women has back tities...and some one "fake Dr." diagnosis the women with Back-titty-ocous.
Dustin: hey Jonh did you see that women with Back-titty-ocous?
Jonh: hell yea, I wanted to back titty fuck her.
Jonh: hell yea, I wanted to back titty fuck her.
by Rockstardmc September 08, 2010

by Mikenator32 May 17, 2017
