What is Flatso?
1.
A fat girl with small tits
That flatso looks like my uncle Joe with long hair!
2.
Fat chick, no boobs.
Size 22 chick, "A"cup is a flatso.
See
3.
(N.) An Overweight Adult Female who's a Member of the "
Mrs. Hunt is a Flatso.
Random Words:
1.
A girl who is on her period.
You're just acting like a cotton fucker...