midriff peek
When a small amount of midriff is visible, or the midriff is unintentionally exposed by clothing that would normally cover it. Usually less midriff is exposed than in the main midriff tag (e.g. post #41973). T-shirts and unbuttoned shirts are prone to expose a bit of stomach.
See also
The following tags are aliased to this tag: belly_peek and stomach_peek (learn more).