1. Masturbate for male: When a postpubecent male reveals his dick
, it gets hard because he is horny
and he starts to move his hand(s) up and down on it until he cum
s. Also know as jerking off or jacking off
2. Masturbate for female: When a woman puts her fingers or an object into her pussy
and goes in and out until she has an orgasm
. Also known as fingering
3. A way of sexually pleasuring oneself.
1. guy 1: I jacked off last night to your girlfriend's picture
guy 2: dude, thats sick
2. girl: I masturbated last night thinking about you.
guy: thats hot