Top Definition
a person who is really really really pathetic and has no life once so ever this is the kid that grows up to be the lady with a billion cats or the fat guy who never leaves his couch. loserful is an adjective by the way
for example; wow that loserful arnold really out did himself this time.
or the most common know example KATHLEEN WHITBY!
by awesomelyawesome2 February 16, 2009
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