plural of thumb on the scales

(anatomy, nonstandard) big toe

plural of rule-of-thumb

To place a thumb upon the tip of the nose, typically with the fingers spread and while simultaneously wiggling one's fingers, in a gesture of disrespect.

(idiomatic) Completely controlled by someone; at someone's command.

(idiomatic) Strong approval. / (dated) A hand gesture indicating strong approval.

to circle one's thumbs around one another, usually with the fingers interlaced, usually done idly while waiting or bored

(historical) To express defiance by putting one's thumbnail into one's mouth and knocking it against the teeth.

plural of Chinese thumb cuff

A Chinese finger trap.