A pair of womens [[underwear]] (often a [[g-string]] but not a [[thong]]) that when seen from the back looks like a "T". 
Not to confused with a [[Whale tail (clothing)|]].

h4. See also

* [[c-string]]
* [[thong]]
* [[Tag Group:Sexual Attire]]

h4. External links

* "Wikipedia: G-string":https://en.wikipedia.org/wiki/G-string