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1. to enforce the laws or rules more vigorously

2. to make punishments for a crime or violation more severe

3. an instance of sense 1 of 2
The crack down on drug abuse means that fewer addictions will occur.
by The Return of Light Joker February 15, 2008
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Jul 12 Word of the Day
The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.
Message: "i'm free this afternoon so come over and fuck me senseless, my parents will be out all day"
Recipient: Mum
Message Sent
- Onosecond occurs here -
by Jimmed September 26, 2006
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The violent aggressive behavior of someone who is addicted to crack cocaine , when the effects of thier current hit of crack wears off.
When joe found out that his brother was going to be late in picking him up, he threw his coffee cup at the door smashing it swearing loudly. "oh darn" said Sue "Joe is having a crackdown.
by lovestodance August 16, 2010
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A Sandbox game for Xbox360 created by Microsoft
Boy 1 :Lets play crackdown splitscreen!
Boy 2 :But Crackdown doesnt have splitscreen remember!
by Josh Jolly November 28, 2007
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punitive focus of legal apparatus on anything the speaker/writer doesn't like: unpleasantly authoritarian action, frequently with an overt populist message.
"the home office guarantees a crackdown on illegal immigrants." or
i promise to crackdown on the drunken yob culture in this towm" vows council chair.
by robin bale June 28, 2004
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