Frank J. Wilstach, comp. A Dictionary of Similes. 1916.
Funny
Funny as a wooden leg.
—George Ade
Funny as a barrel of monkeys.
—Anonymous
Funny as a clown.
—Anonymous
Funny as a crutch.
—Anonymous
As funny as a funeral in a snow storm.
—Anonymous
Funny as to throw an egg into an electric fan.
—Anonymous
Funny as an open switch.
—Amy Leslie