meow is a relatively new drug to hit the streets. It is basically methadrone (4-methylmethcathinone) aka 4mmCAT (the "CAT" part being the reason for the nickname meow) which is a psychoactive drug. Although Mephedrone is often compared with the entactogen stimulant MDMA/Ecstasy, Mephedrone has predominantly stimulant properties. This means that the effects of Mephedrone tend to be nearer to Amphetamine or Cocaine then to MDMA/Ecstasy.

Meow/Mephedrone is most commonly sold as a white powder or crystal form or capsules containing the powder. It can also be found in pill form. It is sold as plant food via internet, some users report it to be contained in some legal highs and sometimes sold mixed with Methylone, often known as “Bubbles”
Her: What the hell have you been taking, you look awful!

Him: I've been on "meow" tonight
by dizzyJ November 02, 2009

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Sound uttered by the Feline Species (cats). See examples for possible meanings.
I'm not fluent in Cat, but to date it seems to mean:
1. I'm hungry, feed me.
2. Let me out, I gotta pee.
3. Nevermind, I just peed in your potted plants in the living room and sprayed your favorite recliner.
4. Let me in, I'm sorry. I'm done peeing.
5. Your in my chair.6. My ear itches, scratch it for me will ya'.
7. I'm soooo glad your home, I missed you today. (See examples 1 and 6 for reasons for being missed).
by STM March 28, 2003

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acronym for, Morning Erotically Obsessed Woman (or Women)
Beneath her demure businesswoman persona was a wild child who awoke each day gripped by MEOW.
by ΔиłĦ☼иצ ߀₡ʞ August 01, 2011

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1. a sound a kitty makes.
2. a sound that is fun to make yourself.
"meow... MEOW!!!! MEOW!!!!!"
"No kitty this is my potpie!"
by PaulJar the Pornostar November 28, 2003

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Random word uttered by bored teens. Means 'I'm bored' or 'you're such an idiot that I'm ignoring you and meowing instead'.
She meowed after I told her about my grandmother's foot problem.
by MakaKaka November 05, 2003

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Often used to interrupt awkward silences. Can be translated to "Start talking bitches."
John: "So I'm gay..."
Jack: "..."
Bill: "Oh... yeah?"
John: "Yeah..."
Jack: "Cool..."
Bill: "..."
Jack: "..."
John: "Meow."
Jack: "Right. So who watched the game last night?"
by Morgan December 16, 2004

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the sound that a person makes for eveything attention, love, to be looked at, and to annoy others.
Meow, meow, meow.
by laalameow January 07, 2004

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the sound spongebob's pet snail gary makes.
gary: meow!
spngebob: no gary!
by psykopath January 19, 2004

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