When you are so off your tits you will putanything in your gob.
Jackie "Urrgh crap, I feel so sick this morning"
Jude "That's no surprise dear, given your Obliviation diet last night. You were so wasted you munched your way through five bags of pork scratchings, a half-eaten kebab off the street, a used napkin, a random fella's cock on the bus on the way home and a tub of Vaseline"
It's when you become so dumb that your intelligence is comparable to Oblivion3789 on youtube. The main purpose of this word is to describe a person becoming dumber and dumber. Also it can be used as an insult.
This man suffers of "Obliviation" , so he is becoming dumb. This man is "Oblivion".