'Fuhgeddaboudit!', 10 letters
Forget about it!, 10 letters
In your dreams!, 10 letters
No way!, 10 letters
Uh-uh!, 10 letters
When donkeys fly!, 10 letters
You wish!, 10 letters
Flat turndown, 10 letters
Response to Will you be mine?, 10 letters
Beats me!, 8 letters
Don't look at me, I got nothing!, 8 letters
Search me..., 8 letters
No idea, 8 letters