What does the cryptic crossword clue "It’s all eyes on this popinjay! (7)" mean?

The definition is "It’s all eyes on this popinjay". The wordplay uses a cryptic definition. Cryptic definition The answer is PEACOCK.

It’s all eyes on this popinjay! (7)

Guardian Cryptic #29218 | 5 Across | 2023-11-03 flower