Underwear that you keep in the back of your drawer just in case but they are no longer part of your regular wardrobe. IE they are ugly and your partner doesn't like them.
I have a bunch of underwear tucked away that are shundies because my boyfriend thinks they are too saggy.
shaundie. if you have a shaundie in your life, please don’t let her go. she’s amazing, talented, beautiful, loyal, and protective. she will always be there to cheer you up when you’re feeling down, and the cheer up will always be a good one. always trust a girl named shaundie.
“I heard about shaundie! She’s the fun friend, but also the babysitter friend!”