A rare internet term used to describe someone who may actually be in a bad mood or more likely has simply expressed mild to severe displeasure by typing a sound that a frog might make.
Narnra: Soy is such an idiot! LOL!
Soylentgreen: *croak* (also seen as "mreeyyaapp)
Rezonance: Oh noes, looks like soy is a frustrated frog now.
by Soylent Green September 26, 2006
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