A spin of "oh my god" or "oh my gosh" with a z on
the end, mostly used by
illiterate chicks who type only netspeak and sticky
caps.
<girl 1>OmGz K sOoOo i InViEtEd
BrEnDoN oVa 2 Mi HiZzOuZe N hE gAwT mEh PrEgGiEzZ!!11
<girl 2>OmGzZz!!1!!!!!!!!!!
<girl 1>i NoOo
<girl 2>
u KaNt GeT pReGzZ daT mEeNz
U WiLL b FaTt eWwWwwWwz
<girl 1>OmGz!!111 i MuZt AsK mOmMiE 4 a AbOrShUn