Poop your tighty whities Share definition Flag When you don't have anything to contribute to the conversation at hand or you are incapable of carrying a conversation. Logan: Hi buddy! How are you? Jenna: Poop your tighty whities! Hehehe. Logan: Ok *leaves* Poop your tighty whities by Zyan Rhang November 4, 2021 Get the Poop your tighty whities mug.