Umbo

[Sarah]

One of the lateral prominence just above the hinge of a bivalveshell.

[Sarah]

The [Foghorn] on the city-side of the Golden Gate Bridge in San Francisco.
Whoa, it is foggy this morning. I can hear the Foghorn by the Golden Gate blowing.
You mean Umbo?
Yeah, perfect name for the Foghorn

[Sarah]

In San Francisco, a boner triggered by the sound of a foghorn blowing.

[Sarah]

Umbo

A raging boner.

[Sarah]

Urinating my bowels out