swoony, adj. — Green’s Dictionary of Slang

swoony adj.

[lit. inducing a swoon]

distractingly attractive, delightful.

1934		Webster’s New International Dict. (2nd edn).
1960, 1975		Wentworth & Flexner DAS.
2003		Dandypants Comment 16 Oct. on Patti Simmons Journal at LiveJournal.com 🌐 That first picture is swoony...you are an amazing photographer.