noun, meaning a major
loser or a screw up. a lemonboy is usually the kid with no
friends who sits all alone in his room,
studying cars. It can also be used to describe a large mistake.
Emilie: Haha look at that
loser playing
golf!!
Kyle: oh i know, he's such a lemonboy!
Sara: I just bombed my civics test!
Amanda: same! i made a total lemonboy!!