To deliberately mispronounce words, most usually names of people, places or concepts.

Prowsting can be done incidentally for fun, or as part of a game called Prowsting the object of which is to annoy people with your misprounciations whilst enjoying their sense of superiority over you because you know that you know how the word is properly pronounced.

Derived from the deliberate mispronounciation of the author's name Proust at Faculty lunches.
All night, I kept saying Landan instead of London, he had no idea it was a prowst and kept correcting me.
by DJ Barnes August 10, 2008
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