Mouthfuls

noun

1. The amount that will fit in a mouth.

   "He swallowed a mouthful of sea water when he fell in."

2. Quite a bit.
3. Something difficult to pronounce or say.

   "“She sells sea shells” is a bit of a mouthful to say."

4. A tirade of abusive language (especially in the term “give someone a mouthful”)