The act of getting drunk to the point of blacking out. When one gets omgtenillewasted one usually ends up dancing sexually on the stripper pole like know ones business. At the end of the night of being omgtenillewasted one ends up having to be carried out of the bar while struggling not to get arrested.
"Did you see that girl last night? She was beyond omgtenillewasted."
"I woke up with a bottle of blue tequila, I was omgtenillewasted."