adverb

1. Bastard-like

2. The description of one's actions being like that of a bastard
Chris bastardly chastised Dan for his inadequate performance even though he didn't deserve it.
by Tim November 10, 2004
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verb: A combination of Dastardly and Bastard, whereby the actions of an individual or group constitute bastard like proportions of dastardly behavior. Premeditated and planned complex screwing over.
In the game Soyoban (Cat Mario), many of the levels included gimmicks and expert scenarios which made them bastardly to complete.
by darianknight September 13, 2009
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1. Acting the same as a bastard.
2. A word that should have been used in every South Park episode whenever Kenny inevitably dies.
3. How a bastard child is conceived.
by MDarcon March 9, 2018
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When the weather outside is so cold that it makes you want to call it a bastard

The term is especially apt when you get caught by a gust of freezing wind
"Hey, have you been outside today?"

"Yeah, I'd put on a few layers if I were you. It's bastardly cold out there"
by mib2347 December 14, 2011
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When some one is such a bastard you have to repeat yourself. Also a good thing to yell out when frustrated.
Me: They forget to give us ketchup
Her: Bastardly Bastards! I need ketchup
by <3Lex May 18, 2008
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A particularly fucked up thing to do to a person.
Beau, that was bastardly assholish of you to kick Kris in the balls like that!
by didgrairoosta August 18, 2015
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