—v.tr. & intr. spin or swing or twist quickly and lightly round.
—n.
1 a twirling motion.
2 a form made by twirling, esp. a flourish made with a pen.
Derivatives:
twirler n. twirly adj.
Etymology: 16th c.: prob. alt. (after whirl) of obs. tirl TRILL
Useful english dictionary. 2012.