Adjective describing someone who desires a bump of any powdered drug for the purpose of avoiding the comedown and continuing the high. The term relates to another phrase, powder one's nose. The mainstream understanding of "powder one's nose," however, has forced users to come up with this similar reference to "needing a bump." Mostly self-proclaimed and used in settings (such as a party or a club) in which not all people present are aware that drugs are present. The declaration usually precedes one or more users retreating to a more private atmosphere, such as a bathroom, to snort the drug.
(During a crowded house party celebrating Mike's birthday, Alex rises from his chair and begins weaving through the people. On his way to the bathroom, he meets his friend, Chris, a fellow cokehead.)

Chris - How you doin', bud?
Alex - I'm going to the bathroom; I'm shiny. You want to join me?
Chris - Right behind you.
by Finnias Merchant April 30, 2006
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Sunny outside and requiring sunglasses.
Damn, it's shiny out!
by Louis Quatorze August 4, 2005
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One who is mentally or physically challenged. Spends the majority of their lives making macaroni necklaces or knawing on cheerios in the comfort of their very own high chair. One who wears a helmet when engaging in any and all activities, including showering, crossing the street, or handling anything that is composed of solid matter.
by Powerschew December 2, 2009
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Noun - Slangword for stenciled graffiti art often conducted in illeagal areas such as car parks and bus stops.

Can be used as a verb phrase - 'Shiny Run' which is to instigate the action.
'Wow, nice shinies.'

'Let's go on a shiny run.'
by Paul Jeffries January 27, 2008
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to describe the extreame state of euphria you can feel when you have been smoking cannabis , getting high
KT: how have you been alice?
alice: real shiny thanks

danny: how was your day yesterday
alice: just shiny thanks hansome
by alice stilliard June 7, 2006
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Term associated with a very special girlfriend whom at random moments will pounce on you with fussings & demanding of baby making.
by SimonL August 7, 2007
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A shiny is where you spit on your fingers like you were going to shine something and shine your bellend.
I'm going to give myself a shiny rather than a wank tonight.
by Deanybean April 14, 2010
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