Answer:

clop

Answer	Crossword Clue
CLOP	Hoof sound
CLOP	Hoofbeat
CLOP	Overheard hoofbeat

CLOP	Hoof-on-road sound
CLOP	Horse hoof sound
CLOP	Horse's hoof sound
CLOP	Hoof-on-pavement sound
CLOP	Western sound effect
CLOP	Hoof-on-cobblestones sound
CLOP	Sound associated with a carriage
CLOP	Sound from Secretariat

CLOP	Oater sound effect
CLOP	Sound in some Bud ads
CLOP	Equine sound
CLOP	Every other horse sound?
CLOP	Sound of the other shoe dropping?
CLOP	Wooden-shoe sound
CLOP	Hoof's sound
CLOP	Sound of a horse's hoof

CLOP	Sound from Mr. Ed
CLOP	Sound made by a Clydesdale
CLOP	Sound made by dobbin's hoof
CLOP	Sound on a cobblestone street
CLOP	Horse's footfall
CLOP	Sound of a horse on cobblestones
CLOP	Hoofbeat sound
CLOP	Sound of a horse's step

CLOP	Horseshoe sound
CLOP	Sabot's sound
CLOP	Hoof noise
CLOP	Sound made by a hoof
CLOP	Stable sound
CLOP	Horse sound
CLOP	Filly's footfall
CLOP	Horse-on-pavement sound

CLOP	Horse-hoof sound
CLOP	Bay sound
CLOP	Cobblestone sound
CLOP	Sound made when hoofing it?
CLOP	Racetrack sound