occurs when abusing downers(opiates, benzos, ambien, etc...) one will fall asleep for a few seconds, sometimes even a few minutes, and wake back up as their head falls forward. this occurs over and over again resulting in the user looking as though their head is bobbing up and down. much like a ducks head bob's up and down outside the water as they look for food.
Sprinkling someone else's pillow with pubic hair that's been ground into dust or chopped up into tiny enough pieces that it will 1. not be easily seen or detected and 2. likely be inhaled, ingested and stuck to the face not unlike glitter.
Other names include Grinch Powder, Dream Glitter, The Salty Sandman, Fairy Dust, Pillow Peppering
"Grandma, I am so sorry to have to tell you this right now, with you being in the hospital and so ill.... Okay, remember that Christmas you gave me the 60" Vizio plasma TV when I very clearly wanted the Sony LED? Well, I jungle dusted your pillow the next time you came to stay with us. Whoo! Damn, I feel SO much better now that you know!! Bye gram-gram."