When a man is spooning with his lady in an aroused state, and she lets loose a fart impersonation of a motorcycle which rattles his twig and berries so violently that he experiences an involuntary orgasm.
My baby pulled the old Saber rattler on me while we were watching Gleaming the Cube and I had to change my shorts.
(1) ' n. Any of various poisonous American snakes, of genera Crotalus and Sistrurus, having a rattle at the end of its tail. ' -- Wiktionary
(2) According to Kurt Vonnegut, the rattlesnake is a creature so inimical to humankind that it makes you wonder about the vaunted benevolence of the Creator of the Universe.
EXAMPLE:
' Dwayne mimicked her cruelly in a falsetto voice . . . He looked about as pleasant and relaxed as a coiled rattlesnake now. It was his bad chemicals, of course, which were compelling him to look like that . . .
' The Creator of the Universe had put a rattle on its {the rattlesnake's} tail. The Creator had also given it frontteeth which were hypodermic syringes filled with deadly poison.
' Sometimes I wonder about the Creator of the Universe. '
-- From Kurt Vonnegut's 1973 novel "Breakfast of Champions" -- Chapter 15 (page 159 - 160).