catchiest
adj. (曲調、歌曲)容易記住的( catchy的最高階 )
If you describe a tune, name, or advertisement as catchy, you mean that it is attractive and easy to remember.
The songs were both catchy and original...
那些歌曲既上口,又富有原創性。
The initiative has been given the supposedly catchy title of the 'Citizen's Charter'.
提案取了個據說很容易記住的名字,叫做《公民憲章》。