The most common and most likely answer to this crossword clue is the 3 plus 4 letter word OLD BEAN
O
L
D
B
E
A
N
More clues leading to the result OLD BEAN
- Worn-out runner making friendly address
- A blonde totty dated friend
- Look around and be curious, dear fellow
- Familiar address used by head
- Familiar address in historic Lima?
- Vegetable no longer fresh, mate
- Love English in curiously bland style associated with Wodehouse?
- . Former head, a classy chap
- My friend‘s used kidney, say
- A blonde’s ghastly, chummy address
Buddy explains!

The straight part
We know that "Vegetable no longer fresh/mate" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vegetable no longer fresh/mate = old bean.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.