The most common and most likely answer to this crossword clue is the 6 letter word ADONIS
I've seen this crossword clue in Independent
A
D
O
N
I
S
More clues leading to the result ADONIS
- Comely youth in farmstead on island
- Trouble with lapse showing up a handsome young man
- Desirable type wrong to turn back on a party
- A scholar is a lovely man
- Handsome young man in cricket side, one in advertisements
- Handsome chap from cricket side, one appearing in posters?.
- Evil old US lawyer rebuffed handsome chap
- Bother to reject immorality for God
- Dandy in a party, one of seven turning up
- Last couples in Hampstead beckon this sexy guy
Buddy explains!
The straight part
We know that "male model" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case male model = adonis.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.