Cuban pussy whistle
A rare and Inconspicuous combination of words to signal to your friends that there is a foursome/threesome/orgy afoot and they need to get there ASAP
Phone rings......
Jeff: hello?
Tom: Cuban pussy whistle!!
Jeff: I’ll be there in 5
.....Phone call ended
Jeff: hello?
Tom: Cuban pussy whistle!!
Jeff: I’ll be there in 5
.....Phone call ended