What does the cryptic crossword clue "Being on the drink might cause it? (3,2,3)" mean?

The definition is "Being on the drink might cause it". The wordplay uses a cryptic definition. Cryptic definition The answer is MALDEMER.

Being on the drink might cause it? (3,2,3)

Guardian Cryptic #29200 | 25 Across | 2023-10-13 flower