The hardest trick in the penis puppeteer's arsenal, it is produced when both testes are twisted into a dominant position over the penis itself creating a resemblance the face of the muppet character bearing the same name. Imagine his eyes as being the two testicales (spanish) and his long penile nose being the shaft and head of the puppeteer's penga (espanol). under-scrotum pubics can be attributed as facial hair if one desires, although some men are obliged to trim/shave this area according to current trends.
"I couldn't believe he pulled off the grover, last time i tried that my left and right nut traded places over a thousand times. now when i ejaculate i feel like im falling."