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When you're too much of a fiend; when you're such a fiend that you can only be defined as a fiendhead.
Ex. Byron's smokes so much that he became a fiendhead.
I think the biggest fiendhead that I know is Tommy.
JUULs aren't CUUL, they only produce fiendheads!
via giphy
by supremebyron May 07, 2018
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