OMGraham is a term of expression used when one is struck by the dreaminess of a tall, handsome, South African gentleman. It is also synonymous with OMG(osh)/OMG(od).
OMGROFLMAO: (Expression : Action : Description)
This Acronym, derived from OMG and ROFL simply adds to the expression by adopting MAO, otherwise known as, (My Ass Off.)
In effect, this expresses the writers in the following way.
Oh My God - Rolling On Floor Laughing My Ass Off.
As you can see, this acronym saves a tremendous amount of time typing, and allows others to join in the fun faster than had the writed actually spelled this out.
Andrew (DarkEye): I like boys...
SciTech: OMGROFLMAO
Andrew (DarkEye): Oops, did I type that in the channel?
SciTech: Dumbass...
A fit of abbreviations that is often spewn from the keyboards of frothy, excitedsocial regects, as it cannot be aurally pronounced without vomiting everywhere.
Commenter 1: Dude, have you seen the news about the new halo game?