Definition of "grannies"

And there I was, standing in the middle of the room, in my bra and undies, wearing a Burger King crown, balancing on one leg and praying. A peal of laughter arose from the rest of the girls, who were all clothed. ‘I knew she’d be wearing grannies!’ I heard someone say.

2007, Karen Yampolsky, Falling out of Fashion, Headline Publishing Group, published 2009

“I’m just a little shocked.” / Monica laughs. “Shocked! You should have seen his face when he pulled down my shorts! He looks at me and says, ‘I wasn’t expecting a hot number like you to wear grannies.’ Then we have hot wild sex in the parking lot of the gym!” […] “What did Jena say?” / Monica laughs. “I guess you didn’t expect me to catch you climbing out of a Ford wearing grannies!’”

2011, Lexi Michaels, Time for a Fresh One, AuthorHouse, page 19

“See, you’ve been enhancing yourself all along. A thong serves a specific purpose as does a balconette, or demicup, otherwise you’d just be wearing grannies all the time, right? I mean, if all you wanted to do was cover your ass and support your boobs.”

2012, Quincy Poaches, Dismal: The Maria Patterson Memoirs, Xlibris, page 167