Definition from Wiktionary, the free dictionary
slowcoach (plural slowcoaches)
- (derogatory, UK) a person who moves slowly.
- Hey you slowcoaches in the back! Get a move on!
- 1911, Chesterton, The Innocence of Father Brown, The Blue Cross:
- They were both very quiet, respectable people; one of them paid the bill and went out; the other, who seemed a slower coach altogether, was some minutes longer getting his things together.
plodder — see plodder