Calf's father
Calf's father is Irish slang for the bull. Used as the measure of serious strength.
That lad is as strong as a calf's father.

Good gracious, a reader! How thrilling. Would you like me to translate 'Calf's father' in use for you?
That young fellow possesses the strength of a fully grown bull.
Any good?
Questions
What does calf's father mean in Ireland?
The bull. Used as the measure of serious strength.
How do you use calf's father in a sentence?
“That lad is as strong as a calf's father.”
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