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1.
self indulgence and hedonistic behavior exemplified by a handsome young intelligent male living life to its fullest. Side effects may include hereditary substance abuse and associated mental disorders.
"dudes gone helgeson on us... its a sad day for mother England."
by PenWrightly May 07, 2009
 
2.
a person who is drunk on most weekends
my dad is helgeson
by me mesonnoon January 23, 2009