Basically the principal that
men are more sexually attracted and aroused to new females after a certain amount of
time. The term comes from an old joke according to which President Calvin Coolidge and his wife were at a
government farm one day and were taken around on separate tours. Mrs. Coolidge, passing the
chicken pens, inquired of a supervisor whether the lone rooster was sufficient, given the many hens in the
chicken flock.
"Yes", the man said, "the rooster works very hard."
Mrs. Coolidge then asked, "Really? The rooster works very hard? Every day?"
"
Oh, yes," the man said. "Dozens of times a day."
"Interesting!" Mrs. Coolidge replied, "Be sure to tell that to the President!"
Some
time later the President, passing the same pens, was told about the roosters - and about his wife's remark. "Same hen every time?", he asked.
"Oh, no, a different one each time," the supervisor replied.
"Tell that," Coolidge said with a sly nod, "to Mrs. Coolidge."
The Coolidge comes into effect in the porno industry, where 'Fluffers' are used to get male
porn stars erect before a scene, if they've been with the main actress so long.