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3.
to be forcibly pounded anally by a donkey on a saturday
"On a saturday morning ritual,kristine had a donkey slam at her family farm"
by Clos4u July 30, 2006
 
1.
A variation of the donkey punch. It is performed in much the same manner as a donkey punch except instead of delivering a punch at the appropriate time, you go upstairs to the floor above the said receiver and crash through the floor onto their back, preferably breaking it. It's most often performed while wearing a suit of armor.

I gave Brian's mom a donkey slam and all she did was beg for more, then die.
by Souma the Badass July 10, 2008
 
2.
When living on a farm, you fuck your donkey in the ass then make your cuz lick your cum out of the donkeys ass while you slam him
I donkey slammed Ryan last weekend and then puked in his face.
Donkey slamming is cool in the early morning after feeding the chickens my cock.
Donkey slamming is excellent after a good dirty sanchez.
by cherly July 23, 2006
 
4.
A variation of the donkey punch, though instead of delivering a punch to the back of the head, you grab them by their hair and slam their face into the ground. Best when executed on a hardwood floor, concrete, etc.
Bobbo delivered a vicious donkey slam to the woman, and she didn't move for quite awhile.
by Tall Olaf August 22, 2007