Female clitoral masturbation involving the fingers.
That girl has been in there for awhile, maybe she's dialing the rotary phone.

(Knock knock), I'm dialing the rotary phone honey.
by Thefanman July 26, 2016
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Your old as fuck. Like you should be in the grave, or in a museum.
"Hey, do you know what a Rotary Phone is?"
"Stupid question, no obviously"
by Noah Armon August 1, 2023
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