My friends & I joke like this all the time, there's no harm.
People need to calm the **** down & stop being such frigids. Get over it, she's a 17 year old.
Whatever 17 year old HASN'T attempted this probably has no life. Or friends. Miley just happens to be in the unfortunate position of the public eye & scrutiny.
All these years of playing the good little "virgin" on Disney has had its effect.. She supressed, and supressed it, and now it is all coming out in one big mess.