Very handsome young man
(Other definitions for adonis that I've seen before include "A very handsome ancient Greek" , "Handsome youth (Gr.)" , "Extremely handsome young man" , "lovely chap" , "Aphrodite's beloved" .)
(Other definitions for apollo that I've seen before include "American space programme for landing men on moon" , "Japanese dish" , "Handsome Greek god" , "Greek (and Roman) god of light, poetry etc" , "mission of high-flying Americans?" .)