1. A child whose parents ain't married
2. A way to insult someone without swearing
Did you know Leonardo Da Vinci is a bastard?

Thou art a damned, maggot-eating bastard!
by The Best UD User January 30, 2017
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• child without married parents
• One who is narcissistic and unknowingly frustrating
The killer of kenny
• A 70's band which changed thier name to Motörhead and became one of the best bands ever.
Your parents aren't married, hence you are a bastard. You covered dog shit with a leaf and left it outside your brothers' front door because you thought it was funny, you bastard. You killed kenny, you bastard.
by Kung-fu Jesus July 29, 2004
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n, A person whose actions are motivated out of necessity rather than a moral code based around being perceived as nice or good.

antonym: dreamer
Movie: Flight of the Phoenix (2004)
Stuck in the desert with dwindling water supplies, Elliott (the bastard) executes an injered enemy against the wishes of the other suvivors, as he would die eventually anyway and they would have no chance of surviving were they to share water with him.
by Dyslexic Bibliophile April 27, 2007
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An Australian unit of measurment often used to describe extraordinary measures, particularly that of people and the weather. can be used as a noun, verb and adjective.
He ran like a bastard
It's blowing 40 bastards
It's a bastard of a day
by harro123 February 09, 2011
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a real ass hole or someone without married parents
Josh is a bastard
by anonymous January 31, 2004
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