(2) To black out.
"Man, I think I have Romnesia. I went out last night and when I woke up this morning, my dog was strapped to the roof of my car. No clue how it got up there."
b. Coming off as an arrogant prick whenever your audience does not consist of the super-wealthy.
Before saying he'd be delighted to ban abortion in all circumstances, he said he would never waiver in his pro-choice positions. That fucker clearly has Romnesia.
Yeah I remember grinding my feet on Eddie's couch."
-- Rick James, victim of Romnesia