way back way
The improper remembering and subsequent use of the phrase "way back when." The user of this phrase, upon being called out, will go into a long story about why it's a thing. But it's not a thing.
Person 1: I had one of those, way back way.
Person2: Way back way is not a thing
Person1: Well let me tell you a story...
Person2: Way back way is not a thing
Person1: Well let me tell you a story...
the way way back
In a station wagon there was the back seat and the way way back seat that faced out the window toward the cars behind you.
I always called dibs on the way way back seat so I didn't have to sit between my brothers.