Definitions by BM HAT
Walla Walla Woodchipper
Sexual maneuver in which the male quickly and forcefully thrusts his erect member in and out of his partner's throat, causing the partner to projectile vomit while making a rapid-fire gagging noise, the scene akin to feeding logs into a running wood chipper.
Walla Walla Woodchipper by BM HAT January 11, 2010