Fun term for a male who acts like a pervert but it can be used in jest. Probably because so many people have weird uncles.
Not quite as bad as calling someone a Chester the Molester.
When a girl's vagina starts erupting blood, causing her to go into a state introvertness and hostility. Usually, one can differ a period from an uber period by the duration of the pissiness. A girl plagued with the uber period will go through at least a month of being pissed off before returning to normal, ususally with some lame excuse to justify her unprovoked agitation.