Green’s Dictionary of Slang

Maria von Trapp n.

[rhy. sl. = clap n. (1), ult. Maria Augusta von Trapp (1905–1987), matriarch of the Trapp Family Singers, basis of the movie The Sound of Music]

venereal disease.

Show quotations
[Scot]I. Welsh Dead Man’s Trousers [33]: How did you… did Willow… does she know about the STD? — Yes, she did, and no, she doesnae ken aboot the Maria von Trapp.