The most common and most likely answer to this crossword clue is the 7 letter word EYELIAD
E
Y
E
L
I
A
D
Buddy explains!
The straight part
We know that "It’s that wink from Will/ It’s that wink from Will" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s that wink from will/ it’s that wink from will = eyeliad.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.