The devil's loins, you say?! Nay, his backside!
Furthermore, I strongly suspect "Lady Gaga" of being an assumed title. (But if she gives enough money to charity, then perhaps the queen will create her Lady Gaga.)
"Sounding refers to the insertion of foreign bodies into the urethra,” said Dr. Stephen H. King, M.D., a board-certified urologist. [...] "Sounders have been known to insert a wide variety of objects, including but not limited to catheters, tubes, beads, pencils, batteries, drill bits, and even the head of a decapitated snake. Yes, the latter has been reported.”