a thunderbolt with three forks

[…] the groom should see that […] the spur leathers [are] attached as soon as the spurs are cleaned. It is very annoying to have a general hunt for spur-leathers five minutes before mounting.

The first four hyperoperations are successor, addition, multiplication, and exponentiation.

In B's response to A's question:- (A: Would you like to go out?, B: I'd love to), the words that are ellipsed are go out.