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slang Someone who frequently or habitually uses marijuana. I was a pretty big weedhead when I was in college, but I gave the stuff up once I started working full-time. My brother and his friends are all total weedheads, so if you're looking to toke up, they're the right ones to talk to.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a smoker of marijuana. The weedheads are taking over this neighborhood.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.