A way of referring in a deprecating manner to a friendly but anonymous online acquaintance.
How did you hear about this exhibition?

Oh, some wrongmo off the internet told me about it.
by talknottalk June 30, 2011
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Something that is very wrong in a sexually grotesque way.
I heard Matt had his dog lick his balls! That's WRONGMO!!
by Comrade Will October 20, 2008
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