Wiktionary
n. 1 A member of the top one percent of a population by wealth, ability, etc. (same as the ninety-ninth percentile); especially in a society with high wealth inequality. 2 (context comedy English) An esoteric joke which is unlikely to be appreciated by a general audience. 3 One who seeks or is granted honor far greater than their perceived contribution would warrant. 4 One who wishes to be recognized for an idea without putting forth the "ninety-nine percent perspiration" needed to implement that ide
5 An outlaw biker, such as a member of the http://en.wikipedia.org/wiki/Hells%20Angels motorcycle clu
Usage examples of "one-percenter".
Most show only the club emblem, the member's name and the ever-present one-percenter sign.
Wonderfully pleasant and wide open like all the other one-percenters who don't give a damn.
I think she found grim irony in the fact that the one-percenters were in the majority at last.