pleasuring yourself during a video chat, usually when the other person is sexually attractive It doesn't matter if the other person can see your "activities"or not, if you masturbate on a live camera at all, you are camturbating, which is normally considered extremely creepy or borderline sexual harrassment, UNLESS it is mutually agreed upon and both parties enjoy the show.
"She began to softly moan and make a cum face during our oovoo session last night, so I new she was camturbating"
"OMG guess what babess, my new boyfriend camturbated for me last night and he is soo big, I can't wait to ride that D"
When one is jacking off, and he's about to cum, and their cat comes into the room and the cat gets tragically splattered in the face with one's penis juice.
Methodman Detox (Gamertag for xbox live) was masturbating to Megan Fox, and his cat walked in the room, and be semen'd on the poor kitty's face, formerally known as boots.
MethodMan Detox says, " I like the form of masturbation, known as Catsurbation."
When you break your arm/wrist/or hand that you normally use to masturbate with, and have to use the opposite hand to masturbate, because the cast you have to wear, hurts your dick.