escapade

Etymology

Borrowed from French escapade (“the act of escaping; a trick”), itself borrowed from Old Spanish escapada, from escapar (“to escape”), from Vulgar Latin *excappāre.

noun

1. A daring or adventurous act; an undertaking which goes against convention.
   [Nobody] stood more confounded than Oldbuck at this sudden escapade of his nephew. "Is the devil in him," was his first exclamation, "to go to disturb the brute?" 1816, Sir Walter Scott, chapter 9, in The Antiquary - Volume II
   He is always doing something to make himself notorious. There was that breach-of-promise case, and that fight at the political meeting, and his escapades at Monte Carlo. 1918, P. G. Wodehouse, chapter 1, in Piccadilly Jim
   He seems on the verge of winning the New York Senate election when the New York Post runs a photo of David’s exposed butt in a mooning escapade from his college days. 2011 March 4, Richard Corliss, "The Adjustment Bureau" (film review), Time (retrieved 23 March 2014)