Knock-Knock
Who’s there?
Justin
Justin who?
Justin time for dinner.
Knock-Knock
Who’s there?
Cow
Cow’s go “moo” not “who”!
Knock-Knock
Who’s there?
Mary
Mary who?
Mary Christmas!
Knock-Knock
Who’s there?
Woo
Woo Who?
No need to cry it’s just a joke.