Since Jon wasn't wearing a bra (and why would he, when he was a guy?), his torn shirt revealed two perfect size-DD breasts. And everyone in the mall that was near Jon and Karyn stopped and stared. Some were turned on, some were confused, and others were appalled that there would be a topless girl in the mall.
Of course, no one noticed right away that they were looking at a boy with breasts. They were so shocked by the breasts.
The really bad thing about all of this wasn't that Jon was embarrased by all the people looking at him. It was that people started to talk. And a lot of them said things with "I wish" in them. Jon braced himself as the people said ...