when you enter a room, bathroom, locker room, etc and it absolutely stinks like bo or fecial matter or anything unpleasant to the nose
"greg just got done unloading a pile of shit into the toilet, he left that mother fucker good and stankin"
When a vibrator explodes inside a woman’s vagina
Mom: Honey, what was that noise?!
Daughter: Oh, nothing, just some Not So Good Vibrations
When someone is exhibiting a period of focus and contentment largely because they have had recent-enough sexual release / orgasm. It is the antithesis of the slang "down bad", and is not to be confused with the phrase "post-nut clarity" (which is more descriptive of the immediate onset of awareness and objective thinking upon finishing climaxing).
"Hey you tryna go dancing with us tonight?"
"Nah man I've been up good since yesterday and I'ma keep working on my thesis til it wears off".
Someone who is vibin’, horny, and gettin’ it. High T male and/or boss bitch.
Damn, Vivian is up good tonight. She’s gonna find herself a dime piece with dat ass.
The money commonly used usually when parents purchase crappy shit.
Parent: "I paid good money for that!"
Kid: "Your telling me you paid good money for this piece of shit t-shirt of a poop emoji dabbing?"
Someone that is not entirely good but not entirely crazy either!cm
He looks good and cray!