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An oily sebaceous substance secreted from peri-anal musk glands to lubricate the grundle and attract females.Turns rancid in a matter of days but is essential for fluid walking motion in that it reduces the friction between the butt cheeks.
I need a shower. My grundle grease has gone sour.
by wolfbait51 June 06, 2011
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2
the perspiration that comes from a penis.
using grundle grease, is sort of the inverse of the stink palm
by protocoldroid June 18, 2004
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