1 definition by Nesco

OMFGZ is an exaggeration of OMFG, meaning Oh my fucking god.
You use it to impersonate an over enthousiastic person.
Alan: Yay I can't wait to go to Rome it's gonna be so cool omg omg
You: OMFGZ YA T3H R0ME IZ DA BEZT ROFLOL
by Nesco May 23, 2007
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