I think these used to be referred to as "aspirins on an ironing board"

A forum for women to discuss their experience of having a Flatsy chest. Includes tips for wearing male swimwear (with insert) so you can go topless without causing a scene.



SFW? There is a single image (repeated many times) on the first page of a flatsy chest. Which means no tits whatsoever so that's alright! :)