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The act of sticking your finger up a wet vagina and promptly sticking it into another person's ear
My girlfriend was misbehaving, so I gave her a Moist William as punishment.
by Fowneslark February 08, 2014
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2
A Moist William is the act of barely inserting your erect penis tip inside an excited girl's wet vagina, promptly pulling it out and sliding the residual vaginal fluid on her inner thigh. The movement should be done in a swift "paint-brush" fashion. After this, for the Moist William to be complete, put your clothes back on, pack your belongings, leave without saying a word, and never call her back.
Aye brody, last night Yanni told me he gave his girl a moist William. She was so confused.
by Bravo MNGMT May 02, 2017
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