1) Bite 2) Chaw 3) Gulp 4) Morsel 5) Sup 6) Swallow 7) Wad 1) Containerful 2) Draught 3) Drink 4) Glug 5) Gulp 6) Swallow 7) Swig 8) Taste 9) The amount a mouth can hold 10) Very long word or phrase 
• (n.) Hence, a small quantity. • (n.) As much as is usually put into the mouth at one time.
Mouth'ful noun ; plural Mouthfuls 1. As much as is usually put into the mouth at one time. 2. Hence, a small quantity. 
Mouthful is British slang for a torrent of verbal abuse.
[n] - the quantity that can be held in the mouth
noun the quantity that can be held in the mouth
the amount a mouth can hold. · the amount taken into the mouth at one time. · a small quantity. · a spoken remark of great truth, relevance, effectiveness, etc.: You said a mouthful! · a long word or group of words, esp. one that is hard to pronounce.