contretemps

\KAHN-truh-tahn\, noun; plural: contretemps \-tahnz\:
An inopportune or embarrassing situation or event; a hitch.

“I do believe I cannot think of a single worse contretemps than the Knickers/Pudding Incident of 1885.”

“...one would think that the vice principal of 'Our Lady of Perpetual Flatulence Technical School' would be immune to contretemps...”