(slang, archaic) A clumsy bookbinder, or a bad workman in general.

(simile, rare) Looking hopelessly sad and dejected.

Alternative spelling of thundermug

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.

plural of thunder-plump

(archaic) A heavy fall of rain in a thunderstorm.

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