You have only to stand up to them, and they curl up like mongrel curs.
When paper has been rolled, it tends to curl up again after being unrolled.
In the car she bade me curl up in the seat, and I curled up.
With a fierce resolution he tried to curl up his trunk in defiance.
"I'll just curl up in this old coat and rest a bit," she thought.
They curl up their legs, draw ...