catch-on n.
an attraction, something exciting.
 | in Referee (London) 16 Sept. 7/2: It is astonishing how eagerly the Press seized upon the mere mention of a person with this ordinary nickname [i.e. ‘Leather Apron’], and worked it up into a blood-curdling sensation. [...] And why? Primarily because there was something in the sound which suggested a big catch-on. |