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1.
The complete shadow present during an eclipse.
Surrounded by the Penumbra.
From my vantage point in the helicopter, i could see where the line between the umbra and the penumbra was on the ground.
by pythonspam November 07, 2003
33 4
 
2.
One of the best weapons in the Elder Scrolls IV: Oblivion
I totally pwned that minotaur with umbra!
by Dirty Sanches August 16, 2007
31 17
 
3.
The darker part of a shadow when an eclipse is formed.
Hey Bob were in the Umbra
by StupidBoob October 09, 2003
14 2
 
4.
To lie like a bastard. (This is considered such an insult that the proper response would be to punch your accuser in the face)

The source of this word comes from 'UmbraSG' a compulsive liar who doesn't lie well enough to pull it off.

For instance, some of the doozies he's actually expected those around him to believe include: Making supercomputers for an underground hacker organization, worrying about proper shielding or the military will show up and confiscate them. Having connections in the organized crime elements of pretty much every culture especially the triads and the yakuza. His family owning.....everything. Contradicting reports of where he works.....given hourly. Pretending to have a girlfriend. Claiming to have created a semi-intelligent AI when he's really just talking to himself using multiple clients. And changing his ethnicity on a weekly basis (His last known ethnicity was Native American...it was African American before that....)

There are moments of 'clarity' where he says things that seem truthful....such as the fact that he's a produce clerk, or that he lives in his mother's basement. I chalk them up to drugs and/or alcohol (Especially given the following excerpt)

<@UmbraSG> QUESTION: What language is the offical language of Japan?
<@Everything_Taste_Like_Chicken> german
<@UmbraSG> nope
<@UmbraSG> try agin
<@UmbraSG> There is no law stating that Japanese is the official language of Japan.
<@Gundam> what's your point
<@UmbraSG> My point is, I have a small penis
<@UmbraSG> :P

See what I mean?
<Baka-chan> Actually I'm currently working on my own animated feature.
<Taitsu_KuN> Stop being such an Umbra.
<Baka-chan> Woah...wtf? #>_<
* Baka-chan picks up a chair and hits Taitsu in the face, scattering his teeth like chicklets.
by Baka-chan July 27, 2003
32 28
 
5.
Sex God
Umbra is a sex god
by Lisa666 September 01, 2011
2 5