"you picked a bad day to wear a thong."

Sandry let out a tiny "eep" of further embarrassment,

"You can see that much?"

"Hun, I can see everything. Your whole bum is hanging out."

Sandry sunk her head down in the desk. She had been congratulationing herself in having no panty lines in her tight trousers, but that had well and truly backfired on her now. As soon as she stood up, everyone would be able to see her entire backside.