Big drink Crossword Clue

 The answer to the crossword clue "big drink" can be OCEAN or SWIG.

OCEAN is a 5-letter word that refers to a large body of salt water that covers much of the Earth's surface.

SWIG is a 4-letter word that refers to a large gulp of liquid.

The specific answer that is correct will depend on the context of the clue and the other words in the puzzle.

For example, if the clue is "big drink of water", then the answer is OCEAN. However, if the clue is "big drink of alcohol", then the answer is SWIG.

I hope this helps! Let me know if you have any other questions.