Top Definition
Fratuitous (to be fratuitous): this is the right bestowed amongst all fratstars to express their feelings of superiority (towards those who would remain independent) without apparent reason, cause, or justification.
Fletch: "Get out of my way you GDI!"

Mike: "Fletch, that was very fratuitous of you."

Fletch: "Thanks bro!"
by blackout[fratstar] October 27, 2010

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