Self-gratification. The act of "playing" with your genitals, for sexual excitement/pleasure; usually
Can also be accompanied by watching/reading/listening to arousing material e.g Porn, films, novels...
No matter what your gender/age/race, people
masturbate. Some people
do it everyday and more, some people
do it when they don't have a sexual partner (these people
are in the minority).
stroking/rubbing, caressing (vigorously or not) the clitoris, or using
to insert inside the vagina, and rubbing it back and forth.
Male: Stroking, rubbing, caressing, apparently also 'slapping' the erect penis.
I started masturbating since when
12 (yeah, I'm sure you wanted to know
that) since then I have masturbated at least once a day, I am female.