Noun
/tʃa.tʃa.'kwa.te/
"Chachacuate" is a Mexican Spanish colloquial term used to describe someone who is excessively picky, particular, or finicky about certain things. It is often used in a slightly playful or teasing manner. This word is more commonly used in oral speech rather than in written context.
Spanish: No seas tan chachacuate y come lo que te sirvieron. English: Don't be such a fussy person and eat what you were served.
Spanish: Mi hermana es muy chachacuate con la limpieza de su casa. English: My sister is very pedant about the cleanliness of her house.
"Chachacuate" is not usually part of idiomatic expressions in Spanish.
The etymology of the word "chachacuate" is not clear, as it is considered a regional slang term primarily used in Mexico.