Pump Action Yoghurt Rocket

Pump Action Yoghurt Rocket: Slang name for the male genital organ of higher vertebrates, carrying the duct for the transfer of sperm during copulation. In humans and most other mammals, it consists largely of erectile tissue and serves also for the elimination of urine.

Brenda fancied Jonny quite a lot. So leaned over and whispered in his ear, "after lunch i would like a go on your pump action yoghurt rocket please."