The most common and most likely answer to this crossword clue is the 6 letter word LIPPIE
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More clues leading to the result LIPPIE
Buddy explains!

The straight part
We know that "7" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case 7 = lippie.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 LIPPIE mean?
LIPPIE noun- Lip gloss or lipstick; a stick of this product.
- An old dry measure amounting to one quarter of a peck (for goods sold by weight, 1¾ pounds or about four-fifths of a kilogram); also, a container of that capacity.
- Lip gloss or lipstick; a stick of this product.
- An old dry measure amounting to one quarter of a peck (for goods sold by weight, 1¾ pounds or about four-fifths of a kilogram); also, a container of that capacity.