Cryptic crossword clue
Good time girl of a type that may grow on one 6

The most common and most likely answer to this crossword clue is the 6 letter word FUNGAL

F
U
N
G
A
L

Buddy explains!

The straight part
We know that "of a type that may grow on one" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case of a type that may grow on one = fungal.
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.

What does FUNGAL mean?

FUNGAL adjective
  1. Of or pertaining to a fungus or fungi.

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