A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 27 Page 20

know how. They had such headway that they were nearly to the king before they could check up; then, frantic with rage, they stood up their horses on their hind hoofs and whirled them around, and the next moment here they came, breast to breast. I was seventy yards off, then, and scrambling up a great bowlder at the roadside. When they were within thirty yards of me they let their long lances droop to a level, depressed their mailed heads, and so, with their horse-hair plumes streaming straight out behind, most gallant to see, this lightning express came tearing for me!

When they were within fifteen yards, I sent that bomb with a sure aim, and it struck the ground just under the horses’ noses.

Yes, it was a neat thing, very neat and pretty to see. It resembled a steamboat explosion