An image or word that, for an unexplained reason, fascinates us and remains impressed in our memories. This is often because it flows or has a bizarre and unrealistic appearance.
Bob: Did you ever read Dr. Seuss books as a kid?
Julio: Oh yeah! Remember the trees in The Lorax? they were so snafty.
Bob: yeah, something out their appearance just sticks in my mind. It's all fanciful and shit.