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user of heroin.....
look at that smack rat...hahahahha
by kye May 30, 2004
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
A person who takes hard drugs and is skiiny and pale.
Often seen riding at night on stolen girls mountain bikes or trying to sell items of stolen equipment to feed there habbit.
"Get out my shed, you robbing smack rat".

"Oy smack rat, put it back its not yours".

"How much for that flymo ya smack rat".
by twinkle k March 21, 2009
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3
A skinny, pale person with missin or black teeth. Usualy from a council estate. buys and sells stolen goods, sells drugs 2 kids. and in laymans terms - scum of the earth!
"That, Charmaine from the yellow estate looks lyk a smack rat, dont you think?"
by kim1985 January 31, 2010
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5
1.) Ghetto Female who is influenced by narcotics.
1.)This <i>smack rat</i> is buggin'.
by Iranian Hitler March 27, 2005
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6
a person with a heroin addiction, mainly found lurking in alleys and sewers, they are grey in colour and are of a skelletal build, they are sensitive to sunlight which is why they only come out at night to score or beg or steal, usually wearing long sleeves.
see trainspotting. a film based on smackrats in scotland.
by southwalessniper December 14, 2009
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