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Any person who impersonates a real life Emo in the way they dress, the music they listen to, or the people they hang out with, yet are not willing to go the extra 3 inches.
John - "Tori is such a Posermo, she doesn't even cut!"
by James Martinen September 05, 2006
Being emo for the sake of being emo.
dude 1: Like that Taking Back Sunday song, "and you could slit my throat, and with my one last dying breath, I'd apologize for bleeding on your shirt."
dude 2: That's emo in a ridiculous sense, nobody believes that shit. It's posermo.
by profe January 04, 2008
Someone who act's emo just to fit in with a new crowd of friends when she needs attention.
Wow, that new girl is def. posermo, she doesn't even paint her nails all black.
by Longsack June 18, 2007