"Just waiting for the longest cab of my life," he replied.
Now, obviously I knew what he meant. "Waiting for the longest-to-arrive cab of my life", or "Waiting the longest I ever have for a cab in my life," or somesuch. But I would not be me if I did not take the opportunity to be both pointlessly pedantic and melodramatic about it.
"At least sixteen or twenty feet, I should hope!" I responded, "One fit to dwarf every other cab on the road!"
Gamely, he replied, "I've already sent back six of them for not being long enough! "
"I should hope so!" I responded, before launching into an oratory which ran - to the best of my recollection - like this:
He stared at me, blankly, for a few long seconds, before making the standard mis-observation for this sort of situation, to which I responded with my standard disgusted tirade, before storming off, back to my office, to brood furiously.