It came to me this morning, on the M180 in North Lincolnshire. I'd been mulling this one over for a few days, and here it is:-

"One lunchtime Ted saw Ernie's horse and cart outside her door, It drove him mad to find it was still there at half past four So he jumped down from his cart, hot blood through his veins did course, And he went across to Ernie's cart, and didn't half kick his horse."

Ernie, the fastest milkman in the west - Benny Hill. Epic