yon ti pa chat? as in "Li t ap fe yon ti pa chat sou madanm nan la a."

fè pa chat → to make a quick outing,  make a very short vizit, also to cheat on your spouse, have a quick extramarital affair.

"Li t ap fe yon ti pa chat sou madanm nan la a."
"He was cheating on the wife."

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words