verb: to rub or massage the penis "all up and down" someone's face in a non-aggressive, loving manner.

not to be confused with mushroom stamping.
I gweaned her so gently, we made love for the next three days.
by MEGA RACE!!!! November 17, 2010
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An adorable sound, like a "yay" that you'd often hear from a babycheek.
"Gwean Gwean!"
by cuttiEbuttoN October 4, 2009
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