A bag of weed or other drug that is intended for you and not to be sold
"I only have a head bag"
by thanx4theether October 29, 2005
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1) Term for a drug user. Possibly originating from the manner in which solvent addicts imbibe glue; they put the substance into a bag then repeatedly breath in and out with the bag over their mouth.

2) Its modern use is more likely to refer to a smack (heroin) addict and is usually a term of abuse.
1) That bag head was in my shop buying glue again today.

2) Some dirty bag heads left needles on the school playing field.
by Flame August 31, 2003
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When someone is high everyday and sniffs glue
ellie ward is a proper bag head
by Luke Joyce March 16, 2011
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A scruffy bum who wanders aimlessly around the city centre pickin up fag ends,rummaging through bins and askin for"50p for a cup of tea". but really mean "i need some smack,i will drop my trousers and take it 4 20mins up the behind 4 a tenner bag"
Reply go away and die u dirty smelly HIV bag head , smack rat.
by boro boy 4 life May 21, 2003
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Magea is a bag head
Stop being such a bag 'ead
by Martin January 3, 2005
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