1. A long strip of material which has a half twist in it, and which has both ends connected to form a ring shape.
2. A twist in space within which is temporal causality loop is formed. That is, time within the space repeats continuously for all objects which enter the space, making leaving that space virtually impossible.
A self connected piece of tape with a half twist would represent a mobius
Italian slang that can be non-literally translated to: "It's the life...is cruel...isn't it?".
Often is used when someone does something hurting or annoying to another people, after giving him large pre-warning of where his actions would take him.
"Don't do that boy..."
"I Say DON'T DO THAT boy"
"Ok, you've done it"...BANG! BANG!
"Scazza" (while looking at his flat laying body...