When the clothing of the character is either so skimpy or hiked up that the bottoms of the breasts are visible. [[Nipples]] will generally not be visible. The tag is also applicable to posts in which the underboob is visible [[from below]].

Not to be confused with [[underbust]], which refers to the top edge of an article of clothing resting just underneath the breasts.

h4. Related Terms
* [[breasts]]
* [[cleavage]]
* [[sideboob]]
* [[underboob cutout]]

h4. See also
* [[underbutt]]
* [[Tag Group:Breasts Tags]]
* [[Tag Group:Body Parts]]
下乳 南半球 下パイ おっぱいスカート underboobs