What is Mutual Masturbation?
1.
Two people, either of the opposite sex or same sex, touching each others penis/vagina for pleasure and/or orgasm.
As I lay next to my girlfriend she used her hand to rub my hard cock, while I slipped my fingers into her hot tight pussy.
See
2.
When two people mutually decide to play Guitar Hero with one guitar controller. In this situation, one person takes one set of buttons on the controller while the other takes the rest. This is done to enhance performance, but, due to a lack of unison and timing, this configuration typically results in failure.
Dude #1: Ok, you take green to yellow, and I'll handle blue and orange.
Dude #2: Mutual masturbation sucks, let's just go jack off together.
Dude #1: After More Than a Feeling, bitch!
See
3.
When a man and a women rub eachothers genital areas.
I rubbed my gf's pussy while she rubbed my dick while we made-out.Mutual masturbation
See
4.
Two people in close vicinity to one another touching their own groin areas in order to obtain sexual pleasure. Two women touching each other's genitals is called SEX. Two women curled up together on the bed touching their own genitals is MUTUAL MASTURBATION.
I lay on my side, her fingers twining the hair at the back of my neck, my right hand rubbing my clit hard, her left hand between her own thighs, her breath exploding against my forehead, damn this mutual masturbation thing is great!