When you're trying to call your friends on their cellular phone, but no one answers, because they inserted it into their own anus, vagina or in extreme cases in that little hole in the tip of the penis. Thus they do not receive your call, but are given an orgasm.
Hello? hellohellohe Hello Tom loTomlom. What's with the eccho, cchocho are you... youou Are you in a cave or- veoror AM I GIVING YOU A PHONEGASM?!!! gasmasmasm
I must remember to insert my phone with free access to the power outlet, so that I can keep getting phonegasms all day long!