look up any word, like cleveland steamer:
 
1.
Anyone who capitalizes all of their words. Persons acting as a Captain Capital usually have above average grammar. They also tend to be attention whores on Youtube/and or other websites that have Up and Down voting.

It is not the same as captain caps lock because not every single letter is capitalized only the first.
1) Hi How Are You Today?
2) I Hide Under The Guise Of A Good Grammar, But I Actually Capitalize All of My Words.
--------------------------------
Guy 1: Hi Babe What Is Up?
Girl 1: Geeze Steve, why are you such a Captain Capital?
by iHumpMilfs February 23, 2013