Dun-lopping Share definition Flag Allegedly, what Shea would do in a smedium shirt if she didn't use a girdle.*This definition has not been verified by Snopes Yeah, better make sure Shea's comes with a girdle or she'll be dun-lopping everywhere. Dun-lopping by TheHelpfulHonkey December 5, 2018 Get the Dun-lopping mug.