Is that how you walken the dark? 
Is his first name Skip?
Does he have the trots?
Why canter we all just get along?
Would it help if one were well heeled?
Are you trying to stirrup trouble?
Aren’t these puns spats rather pointless?
You got a better idea?
Would you mind if I slipped in my “why the long face” and “are you feeling a little hoarse” puns?
Can you slip on a banana peel while you’re at it?
Sure, but would you mind if I first get this piano up these stairs, as there’s a lady with a baby stroller that wants to get by?
Would you believe I told my monkey six times not to throw the peels out of the stroller?
Who am I, Sarah Jessica Parker?
Surely any attempt at suppressing equine punnery now would be a case of closing the stable door after the horse has bolted?
Doesn’t that depend on wither the yea’s or the neigh’s have it?
Champing at the bit?
So now we all have to pony up?
Is beer still sold in pony bottles?
Served with horse d’oeuvres?
Shouldn’t that be spelled d’hoovers?