Usually a humor of a sarcastic nature. It is hard to understand and is usually done at the expense of others. However if you understand it it makes some serious lulz.
Girl1:I think that guy just called me a lesbian.
Girl2:don't worry about it. It's just Sean Humor.
Girl1: Oh thanks!
Girl2:don't worry about it. It's just Sean Humor.
Girl1: Oh thanks!
by guywithprtzl January 21, 2011
Get the Sean Humormug.