omgoshes 

For anyone that decides omg is overrated, and feels the need to be different. Also has a cutesy feel to it.

OMGOSHES, it speaks!!

omgoshes by SHES.ON.HER.BLOB June 19, 2010

omgoshness 

Spin-off of OMG or OMGosh. Adds a bit of flair and emphasis for fun.

Omgoshness, Becky. Look at her butt!

omgoshness by Darneezy May 24, 2016