Donna Noble in the TARDIS's Seventies Room.
Donna is giggling like mad.
"OH. MY. GOD. An *alien* sex toy?!? Ooh, that looks nice. I think I'll have a go.... oooh...
*hours later*
"OH.MY.GOD. The best orgasms of my life!" *cackles naughtily* "Can't wait to see Alien boi's face once he walks in!"
(
Cut for nekkid boobage )