toad

Concise Oxford English Dictionary © 2008 Oxford University Press:
toad/təʊd/

▶noun

• 1 a tailless amphibian with a short stout body and short legs, typically having dry warty skin that can exude poison. [Many species, chiefly in the family Bufonidae.]

• 2 a detestable person.

– derivatives
toadish adjective,
toadlet noun.

– origin OE tādde, tāda, abbrev. of tādige, of unknown origin.