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N. A form of mutual masturbation where the acting male partner inserts his/her open palm into the female's vagina, then moves it in and out as a method of stimulation. If this maneuver is used in the anus instead, it is then referred to as the Dark Alley
Man 1: So, the other day my girlfriend I were feeling slightly adventurous, so we tried the California Saucerfist.

Man 2: Really? Did she enjoy it?

Man 1: I couldn't tell if she was crying or having an orgasm.
by Cheezy Chester September 30, 2008