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pothead

[pot-hed] / ˈpɒtˌhɛd /
NOUN
stoner
Synonyms
STRONGEST
burnout dopehead doper druggie hophead
STRONG
addict drug abuser drug addict drug user junkie narcotics addict user
WEAK
drug fiend

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.