Sharp teeth at the front, in the maw of dangerous dog (6)
I believe the answer is:
bitter
'sharp' is the definition.
(thesaurus)
'teeth at the front in the maw of dangerous dog' is the wordplay.
I cannot really understand how this works, but
'the' could be 't' (the is pronounced as a 't' sound in some dialects) and 't' is found in the answer.
'dangerous dog' could be 'biter' (I've seen this in another clue) and 'biter' is present in the remaining letters.
No letters remain.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for bitter that I've seen before include "Having a sharp, acid taste" , "Sour tasting, like English ale" , "English beer, sounds sour" , "Act nervously" , "Sour British beer?" .)