An erect [[penis]].

h4. Related tags

* [[flaccid]]
* [[half-erect]]

h4. See also

* [[erection under clothes]]
* [[male underwear aside]] applies when the penis is erect but not covered up by underwear.
* [[erection under blanket]]
* [[erection under towel]]
* [[bulge]]
* [[erect clitoris]]
* [[covered nipples]]
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