Any of a number of often-repeated malapropisms originally uttered by US film producer Samuel Goldwyn (1879-1974) or a malapropism reminiscent of Goldwyn's utterances.
highwayman
highwayman
noun
(historical) A person, usually mounted on horseback, who robbed travelers on public roads.
highwaymen
highwaymen
noun
plural of highwayman
swimmingly
swimmingly
adv
(figuratively, informal) In a very favourable manner; without difficulty; agreeably, successfully.