twid·dle (twĭd'l) v.
twid·dled, twid·dling, twid·dles
v.
tr. To turn over or around idly or lightly; fiddle with: "Couples are twiddling swizzle sticks while waiting for their tables"(Bryan Miller). v.
intr.
To trifle with something.
To be busy about trifles.
To twirl or rotate without purpose.
n. The act or an instance of twiddling.
[Possibly blend of twist and fiddle.] twid'dler n.