Definitions by Jay Xuret

Umbo

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

Did you hear the foghorn on the Golden Gate Bridge blowing last night?

Yeah, gave me a wicked umbo.

Umbo by Jay Xuret February 2, 2014

Whoa, I have got a real woodie this morning.

You mean an umbo?

Yeah, its so hard I could use it to drill for water.

Umbo by jay xuret December 10, 2013