Someone who is acting suspiciously and/or is doing something naughty.
Jessica is up to no good, she is messaging more than one guy again!
by Leeboylondon April 25, 2015
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praise given to ya homie for killin a nigga
"wat good ray ray? good ups on icin dat crab nigga w da mp45. maaane clown's fuggin bucket head rollin round on da grass like hell naaa!!"
by mPls_KriP_KilLa March 12, 2008
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Canadian slang, often used dismissively or as a joke -- wow, wish that idiot would blow up real good! Originated during the 1970's in Canada by Second City cast members John Candy and Joe Flaherty. on the comedy show SCTV, a fictitious television network with it's own shows, one of them being the Farm Film Report, where two farmers discuss the latest movies and film theory - a routine parodying Siskal and Ebert. Supposedly the best part of a film is when things get "blowed up real good." They even had some celebrity guests (other cast members dressed up as Dustin Hoffman, Bernadette Peters etc) who were "blowed up real good" during special "Celebrity Blow Up" segments.
"Best part of the movie was when things blowed up," says John Candy. "For sure," replies Joe Flaherty, "they blowed up real good!...real good!!"
by Canada-HS August 27, 2021
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When a person, place or thing of no inherent value is detonated. Origin is deep south, usually spoken with little to no teeth.
"Lookie at that dumb jackass, there, he got blowed up real good!''
by tirtle October 26, 2019
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Used by fast talking southern folk. It basically means "How are you?"
Southerner: Wha chu up to no good there brotherman?

Yankee: What the fuck did you just say?
by damnstraight November 6, 2004
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In the traditional sense, if someone is "up to no good", they're doing something bad, or wrong.

WE ARE NOT TRADITIONAL.

We are a collective that defies all odds, a group of individuals, comrades from all walks of life.

Regardless of whether we have different beliefs, careers, experiences or values, we are all Up Two Know Good.

"Up Two" as in two steps ahead, in the lead, striving to win.

"Know Good" as in seeking Knowledge of Self, living the "good life".

We have chosen to commit to knowing better, with intentions of doing better.

We are seeking out the very best in ourselves and in every aspect of our lives.

(Taken from UpTwoKnowGood.com)
What's Good?

Those kids are Up Two Know Good.
by What's Good October 15, 2014
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