Buttons which have popped out of their seams due to thread breakage. This is usually the result of [[bursting breasts]] or [[undersized clothes]], sometimes both.

The buttons in question can either be missing or be in [[flying button|mid-flight]].

h4. See also
* [[flying button]]
* [[bursting breasts]]
* [[undersized clothes]]
* [[wardrobe malfunction]]
ボタン飛ばし