Flits; is a combination of breast (tit) and flab (f); therefore becomes flits. The term refers to breasts that are only as large as they are due to the bearer being overweight.
Man1: Dude look at the tits on that girl!
Man2: Yeah but they are not tits, they are flits.. 90% flab!
Both: UURGGGHHH GROOOOOSSSS!!!!