1 definition by Chris Steinke
When one (or more) fellows participate in an act of beastiality involving a donkeys huge mega-dick. When Donkey-Fucking, one does not give it to the donkey most times, they usually suck/get butt fucked until the beast deposits a healthy load of semen into their ass/mouth
"Did you hear about the Donkey Fuck in the Red Sox locker room? Yeah, you can definately notice Manny Ramirez waddling to first base while clutching his ass. Yeah."
by Chris Steinke August 13, 2005