Answer: PARKINGTICKET

The word "parkingticket" is a compound word that combines "parking" and "ticket." In this context, a "parking ticket" refers to a citation or fine issued to a vehicle owner for violating parking regulations. The clue "Slip before putting on a boot?" suggests that the word "slip" should come before the word "boot" to form the compound word "parkingticket."

Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Slip before putting on a boot?. Explanations are generated by AI and may be inaccurate.