Top Definition
1. The same thing as a Fuckernaut.

2. A dumbass lost in lala land
Man is that guy a good astrobastard or what?
by Sonic M. Hedgehog August 07, 2007
1 more definition
5 Words related to Astrobastard
1. a person that you hate who is trying to do a trick or jump on a vehicle or peice of extreme sports equipment and fails to complete said trick or jump and continues to try and fail after 3 times.
(Billy is trying to do a kick flip on his skateboard)
Mike: "whats Billy doing?"
Stan:"hes still trying to land a kickflip, weve been here for an hour."
Mike:" that astro-bastard fails at life."
by browniepoint October 09, 2009

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