coil up

coil (itself) up

[for something] to wrap or roll itself into a coil. The snake coiled itself up, trying to hide. It coiled up, ready to strike.
See also: coil, up

coil something up

to roll or twist something into a coil. Maria coiled the strip of stamps up and put them in the little dispenser. Please coil up the rope.
See also: coil, up