IMAGE DESCRIPTION:
"This old man, he played one,
He played knick knack on my thumb.
With a knick knack, paddy whack,
Give a dog a bone.
This old man came rolling home"; “Paddy whack” is a derogatory term for literally hitting an Irish person {just as a “paddy wagon” referred to either the Irish cops driving it or the Irish drunks inside it}; paddywhack
{ pad-ee-hwak, -wak }
noun
Informal. a spanking.
verb {used with object}
Informal. to spank or beat; and the old man “rolling home” seems to allude to the use of caravans, or the old man using his money from those lucrative knickknack sales