at one point in a D&D game we were up against dopplegangers and mindflayers.
the party rejected my proposal of having our extremely skilled bard perform “what does the fox say” for the entire community on the grounds of “we’re not supposed to be evil”. there was some mild interest in my proposal of having the PCs run around thinking annoying catchy songs, but it wasn’t our final plan.
In Order of the Stick, Durkon uses this strategy to great effect against his vampire self.