I first heard this MANY years ago, and it made a huge impression on me. Jerry Lewis did this on a talk show, and since I was quite young, it had to be either Merv Griffin or Mike Douglas. Since then, I've heard it from other people on other shows, but I always think of Jerry Lewis doing this. When I wanted to look this up on the Internet, all I could really remember was something “in full battle array” and “corpulent porpoises,” and it was the porpoises that got it for me. You can look this up on youtube and hear Jerry do this once more with great panache.
You start out with “One hen.”
Then you say “One hen, two ducks.”
Then “One hen, two ducks, three squawking geese.”
And it goes on from there…
Three squawking geese
Five corpulent porpoises
Six pairs of Don Alverzo’s tweezers
Seven thousand Macedonians in full battle array
Eight brass monkeys from the ancient, sacred crypts of
Nine apathetic, sympathetic, diabetic, old men on roller skates with a marked propensity towards procrastination and sloth
Ten lyrical, spherical, diabolical denizens of the deep who haul stall around the corner of the quo of the quay of the quivery, all at the same time.