Punch
Punch, or the London Charivari, Vol. 104, April 8, 1893
FLEACATCHER.--Yes, the trout in the river Itching (this is the only correct spelling) are red, and, before they are boiled, raw. The best method of catching them is to tickle them. When you have hooked an Itching trout, you first scratch him, and then cook him.