plural of thumb-ring

A ring fastened to the guard of a dagger or sword to protect the wielder's hand.

to get (a passing vehicle) to stop and give one a ride, signalling to the driver by holding out one's thumb (as a hitchhiker) / to disapprove or reject

A lack of skill in gardening; brown thumb. / (more generally) An inability to make animals or plants in one's care thrive. / A person with a black thumb.

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

Absence of thumbs.

(South Africa, transitive, informal) To make up, to fabricate, to pull out of one's ass.

A drinking game in which one player puts their thumb on the table, or other surface. The last of the other players to put their thumb on it has to drink

present participle of thumb down

simple past tense and past participle of thumb down