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A parasitic mass originating from China, which latches onto the arm and/or penis of (typically) a male human. Known to make incessant noises which cause insanity or other personality disorders. Treatable, but difficult to cure. Large cause for STDs.

The parasitic mass is in the same class as the Hirudo, or leeches.
Peter: Oh god, what's that thing hanging on Matt's arm?!
Patrick: Oh, you didn't know? Matt has Hargrove's Syndrome.
Peter: I hope he can be cured!
by The17thColossus June 02, 2009
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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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