A fork of Rural Dictionary
When a woman removes her bra at the end of the day and allows her breast to fall as they will. Also, refers to anyone spotted in public braless.
Much like a man with out underwear may freeball a woman may choose to go braless and be freeboobing.
The act of not wearing a bra under a shirt. Analogous to freeballing, which is not wearing underwear for men.
Roxanne is not wearing a bra under her shirt, therefore, she is freeboobing. Roxanne was freeboobing and her shirted tit almost poked out my eye.