citrouille

/si.tʁuj/
1.
nounfeminineSing

pumpkin; squash (round orange gourd often used for food and for Halloween decoration)

On va creuser une citrouille pour Halloween.

We're going to carve a pumpkin for Halloween.

2.
nounfeminineSing

head; noggin (informal/slang)

Il n'a rien dans la citrouille, celui-là.

That guy has nothing in his head.