Posted on June 27, 2020August 8, 2021 by Idioms Poster Knock your boots off Relax, have some fun,… knock your boots off!Overheard in Alexandra Palace, London, UK. A mixed idiom made up from Fill your boots,Blow your socks off, andKnock yourself out. Context Used in the context of encouragement to have fun, to relax, to be less straight-laced, and to enjoy oneself. Products and Mixed IdiomsMixed idiom: Too clever for your own bootsMixed idiom: Whatever fills your boatMixed idiom: Too cool for your own bootsBuy now: Too cool for your own boots – Women’s short sleeve t-shirt Related IdiomsReal idiom: Knock your socks offReal idiom: Fill your bootsReal idiom: Knock yourself out Post navigationPrevious post: Carpet denimNext post: I am converse in the law