when you are in the middle of intercourse in the doggy style position, you proceed to slowly insert a banana into your partners ass. when your partner turns around in shock, you imitate a loud monkey sound, and then quickly donkey punch your partner leaving a noticeable bruise.
you wont believe this fool had the nerves to give me a donkey monkey
by fAsAmI June 15, 2010
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The act of sexual dominance during copulation by Rob towards Gwen; hey guys 'I donkey monkey stretched Gwen last night' (high fives all round)
I'm not sure what I did with Gwen and her head phones, but we sure as hell had a donkey monkey stretch!
by Wezwez January 15, 2014
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