A donkey slash is when a male person whacks his reproductive organ over any part of a female. While the penis is covered in his own semen.
"Wow! That guy gave mia Khalifa a tremendous Donkey Slash."
When one person has a boner and slaps his friend in the face brutally with the dick while semen is on the tip. The semen acting as the snake venom, and the dick acting as a snake
Man! I just snake dicked Richard Sherman so perfectly!
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