"johnny knew he wouldn't need to know that in english, "mis bolas son picaz�n",means "my balls are itchy", but he remembered it just for the sake of back-pocket knowledge
knowledge that one knows but only brings up when the situation presents itself
""johnny knew he wouldn't need to know that in english, "mis bolas son picaz�n",means "my balls are itchy", but he remembered it just for the sake of back-pocket knowledge" What is the definition of "back-pocket knowledge"?