thongaday 

it is when one woman is having sex and never changes her panties

she smells!! I heard she on that thongaday!

thongaday by Radical_Edward January 10, 2015

thenadays 

In the past. The opposite of "nowadays."

Thenadays, we didn't even have computers, let alone iPhones.

thenadays by bargonaut October 6, 2010

thongatard 

a leotard with a thong rear, usually consisting of bright neon colours and worn over a unitard or leggings.

"are you ready to go to the gym?"
"hold, on I have to adjust my thongatard"

thongatard by thongatardchicks December 28, 2007