thongfirmation 

Confirmation that a girl is indeed wearing a thong. Suggests that the girl in question has a "sexy" side.

"I was going to ask her out, but first I needed some thongfirmation."

"I hate VPL, but I love a good thongfirmation."

"Yo, is that girl a slut or what?"
"Dunno, no visible thongfirmation."

thongfirmation by paudansch November 1, 2011

too much thongformation 

describes an unattractive visible thong. as in too much information.

"shawna pull up those lowriders, i'm getting way too much thongformation."

too much thongformation by mo-a February 8, 2005