Urban Dictionary: fuckernaut

An unstoppable asshole, (combination of the words Fucker and Juggernaut)

That guy at the bar was a real fuckernaut!

by ReconfigureYou March 22, 2010

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Super dumb fuck... space heads

Oh my god that person is so fucking dumb his head must be in the clouds.

by Lilith Rain March 10, 2004

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Someone who massively posts useless crap while trying to flame and starts complaining when is about to get pwned. Combination of Fuck and Astronaut.

Don't fucking cry about it here on the internet you fuckernaut.

by gracie-hunter September 02, 2007

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flying fuckernauts

Spacemen who fuck every species in the universe; Have a rivalry with the astrobastards

"What kind of controller is this? This looks like it was made by flying fuckernauts and astrobastards!"

by Hey, that's mildly adequate! February 09, 2017

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