Ask for that every ten minutes. Beg. Pray for it as you never prayed before. (he thrusts out a figged fist and foul cigar) Here, kiss that. Both. Kiss. (he throws a leg astride and, pressing with horseman's knees, calls in a hard voice) .Gee up! A cockhorse to Banbury cross."
From the nursey rhythme:
"Ride a cock horse to Banbury Cross,
To see a Fyne lady ride on a white horse.
With rings on her fingers and bells on her toes,
She shall have music wherever she goes."
It was first seen in print in 1784, lthough known in its current form since at least 1760.