Mouth-plugging sweet? (10)
I believe the answer is:
gobstopper
(Other definitions for gobstopper that I've seen before include "Large, hard spherical sweet" , "Big sweet" , "Hard round sweet" , "Large, hard sweet to suck" .)
I believe the answer is:
gobstopper
(Other definitions for gobstopper that I've seen before include "Large, hard spherical sweet" , "Big sweet" , "Hard round sweet" , "Large, hard sweet to suck" .)