From Longman Dictionary of Contemporary Englishpush‧o‧ver/ˈpʊʃˌəʊvə$-ˌoʊvər/nouninformal→be a pushoverExamples from the Corpuspushover•Angela Brickell had been small and light; apushover.•LouisianaTech, a lastminutereplacementon theschedule, turned out to ...
As an adjective from Old Englishuffera. The senses of "past, done, finished; through the whole extent, from beginning to end" are attested from late 14c. The sense of "so as to cover the whole surface" is from c. 1400. Meaning "leaning forward and down" is from 1540s. The meaning...