v. & n.
--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