A random shirt worn by a waitress at a Mexican restaurant. You look it up on Urban Dictionary, but they don’t have it. You proceed to make a definition about how you saw the slogan on a waitresses shirt at a Mexican restaurant and how Urban Dictionary didn’t have it; on Urban Dictionary.
by xX_YOLO_YEET_Xx April 4, 2018
Get the I Know Joemug. by gmnhfgnbfxbdz February 2, 2023
Get the yeah i knowmug. by Lankz January 18, 2021
Get the Trillest nigga you knowmug. by xstaceyyyy November 3, 2015
Get the want to know wassupmug. by thazzafact October 27, 2021
Get the 4TH GEN LEE KNOW'S WIFEmug. 
Mister Know It All is the annoying person that has to tell you that he knows the best. Mister know it all feel the urge to correct everyone if he believe he is right (wich is very often).
Tim: oh, look at that white cat, it's so cute!
Jim: what white cat? I can't see any white cats here. Oh, you mean the white cat with some grey dots on it's forehead? Cause that isn't a white cat. That is a semi colored cat....
Tim: can We just warm up some noodles night? I feel like eating something easy, the japanese way.
Jim: uhm, noodles are actually chinese and not japanese, just so you know....
Jim is the annoying Mister Know It All in this friendship.
Jim: what white cat? I can't see any white cats here. Oh, you mean the white cat with some grey dots on it's forehead? Cause that isn't a white cat. That is a semi colored cat....
Tim: can We just warm up some noodles night? I feel like eating something easy, the japanese way.
Jim: uhm, noodles are actually chinese and not japanese, just so you know....
Jim is the annoying Mister Know It All in this friendship.
by norajaegtvik November 21, 2016
Get the mister know it allmug.