headless-horseman style
a method of dismembering in which a part of a whole is separated from its larger body in a manner that is especially clean and quick, leaving no remnant on the larger body except a clean slice.
Amy: Yesterday I drove too close to a construction barrier and ripped my passenger side mirror off.
Gary: Like clean off headless-horseman style or did it hang?
Amy: Clean off.
Gary: Like clean off headless-horseman style or did it hang?
Amy: Clean off.