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The act of getting in the 69 sex position and focusing all of your oral attention on your partners grundle. This act can be preformed by both heterosexual and homosexual couples.
Marc do you want to perform grundle play tonight? It would be a good time since both our grundle's have a musk to them and my asshole is sore from Popa Tuesday.
by Jill Weiss March 21, 2015
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