2000 Amy Heckerling romantic comedy film starring Jason Biggs, Mena Suvari and Greg Kinnear (5)
I believe the answer is:
loser
(Other definitions for loser that I've seen before include "Non-achiever" , "Opposite of winner" , "One who is habitually unsuccessful" , "One who frequently fails (colloq.)" , "One who is (always) unsuccessful" .)