grockle
noun
1
a tourist. Disparaging; sometimes shortened to 'grock'. Grock was the professional clown-name of Charles Adrien Wettach (1880–1959), hence 'grockle' is probably intended to represent a tourist as a clown; however not abbreviated until the 1990s UK, 1964.
2
a social inferior. Disparaging, upper-class usage; acquired from the sense as 'tourist' UK, 1982