To make the sound of a dull impact.

(intransitive, chiefly Britain) To hitchhike.

A thunderstorm.

Alternative spelling of thundercloud

A large, dark cloud, usually a cumulonimbus, charged with electricity and producing thunder and lightning; a stormcloud / (by extension, figuratively) Something menacing and brooding.

Astonished, amazed or so suddenly surprised as to be unable to speak.

(astronomy) A white giant star in the constellation Draco; Alpha (α) Draconis. It was the pole star 5000 years ago.

A censer, especially one hanging on a chain.

(slang) Imitating a thug or gangster, especially in dress and speech.

(simile) Be very noticeably different, especially in a negative way; to be particularly obtrusive, conspicuous, blatant, or prominent; to attract undue attention or notice.