Posted on September 22, 2018April 8, 2023 by iang Keep it in my back sleeve A glorious mash up in its purist sense where 2 idioms with a related meaning are spliced together. A combination of; Keep it in my back pocket, and Keep it up my sleeve Steve from Leeds, we salute you. Related IdiomsReal idiom: Have / keep something up one’s sleeveReal idiom: Keep / have (something) in one’s back pocket Post navigationPrevious post: I can read you like a clockNext post: You eat what you are