by Yankee Sierra November 2, 2021
Get the Must knowmug. Calvin: My head is all swollen, so I'll wrap it in a turban so my parents won't notice!
Hobbes: You must know something I don't.
Hobbes: You must know something I don't.
by MalumLibrum958 January 10, 2023
Get the You Must Know Something I Don'tmug.