Top Definition
adj. a very conceited person who thinks that everyone will swallow their sperm. This person tries to be a total Dudebro. Trying to Spread his nignogs.

Invented in 1612 By Sir Hebrew.
Sir Hamlet: Wow baby, wanna come back to my place, we can do somethings, i could even spread my nignogs.

Sir Mathew: Man, Sir Hebrew, what is he doing?

Sir Hebrew: IDK, He is being Flabnaustic
by El Tres Banditos March 24, 2009
8 Words related to flabnaustic

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