What does the cryptic crossword clue "Grin one contrived getting cocktail (7)" mean?

The definition is "cocktail". The wordplay uses an anagram. anagram of GRIN + ONE = NEGRONI; definition: "cocktail" The answer is NEGRONI.

Grin one contrived getting cocktail (7)

Daily Mail Cryptic #17573 | 4 Down | 2025-03-12 flower