The most common and most likely answer to this crossword clue is the 9 letter word FRANGLAIS
I've seen this crossword clue in The Guardian
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More clues leading to the result FRANGLAIS
Buddy explains!
The straight part
We know that "Something pour le weekend in this?/Something pour le weekend in this?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case something pour le weekend in this?/something pour le weekend in this? = franglais.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 FRANGLAIS mean?
FRANGLAIS noun- Alternative letter-case form of Franglais