What does the cryptic crossword clue "A little drink and leg-over? (3)" mean?

The definition is "A little". The wordplay uses a reversal. PIN (reversal="leg") = NIP; definition: "A little" The answer is NIP.

A little drink and leg-over? (3)

Guardian Cryptic #29331 | 21 Across | 2024-03-15 flower