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A new legal drug many teens use, like coke it's snorted or smoked and looks almost identical to it, although it's actually good plantfood.
The drug gives a short rush and can affect eyesite, mindset and can make the user feel like shit for the coming days. Best kept for the rubber green plant in the corner of your bedroom.
"Dude i got some mkat for the weekend!"

"Awesome man, my plant loves that shit! Got any real drugs for us though?"
MKAT by RobJoness March 13, 2010
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Nickname for Mayor Kathy Taylor of Tulsa, OK.
I support MKat in her decision to move city hall.
MKat by Second Tony May 24, 2008
Related Words
when a drunken friend begins falling down and getting up repeatedly, he resembles a meercat, and is given the title of Mkat.
holy shit, did you just see that Mkat behind my couch?
mkat by Nick Midas January 21, 2004
The best drug ever, yellowish powder u need to crush it up before u take, cannot have sex makes pupils go big and it is good fun
Hey I bought 3g of mkat/Kat u want some
Mkat/Kat by Thekataddict🥺 September 5, 2020
M Kat is a nickname for Mephedrone, also known as 4-methylmethcathinone (4-MMC), is a stimulant and entactogen drug of the phenethylamine, amphetamine, and cathinone chemical classes.

Mephedrone is reported as causing effects described as a cross between those of methamphetamine and MDMA ("Ecstasy"), producing euphoria, stimulation, and empathy. It generally sells for a higher price than MDMA but is cheap to produce meaning that manufacturers are making "huge amounts of money" from selling the drug
Man, I snorted a ton of M Kat last night, i was off my tits.
M Kat by MrDBamboo December 1, 2009
A street name for the drug Mephedrone which is a synthetic drug which began to grow in popularity in 2008 in the UK when the drug was still legal, then in 2010 the government it was scheduled a class B drug. The drug produces similar effects to cocaine and amphetamines, but it's much worse and the comedown is fucking horrible.
Whatever you do, don't touch M Kat, it will not be good in the long run. I know first hand.
M Kat by UltimateDoge August 27, 2022
M-Kat was chief media advisor to Dubya for his gubernatorial and presidential campaigns.
M-Kat by Coop Dupe August 23, 2020