Sinister means evil. It comes from the Italian word sinistra, meaning left. When children reached for something with their left hand it was hit, as left handedness was considered to be a sign of the devil. Of course, this didn't happen much outside of Italy.
You sinister child!
by Kung-Fu Jesus April 17, 2004
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Derrick Tribbett otherwise known as Sinister is from Daisy De La Hoya's show Daisy of Love. He lives in a house with many guys, one his best friend named Chi Chi. Who he later tells Daisy to send home.

Sinister's hot.
and a rockstar(:
Person #1: Whose that guy with the tattoos from Daisy of Love?

Person #2: SINISTER!!!
by sinister lover(: June 30, 2009
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Something or someone that would be considered "good". But in an extraordinary way.

A couple synonyms for example would be "awesome ", "phat"
"That guy's car was sinister!"
"I ate so much man, that food was sinister."
"She's so sinister, I'd do anything to get with that"
by DrewBlood67 December 18, 2018
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perceived evil usually caused by THC-induced paranoia.

True noun form: sinisterity

"The sinisterity is appalling."
"yo that car looks real sinister."
"shut up you're just torched... KEITH!"
by keith liquori June 27, 2004
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