Direct quote from the 1993 film "Sandlot". After being asked by Ham Porter if he wanted a s'more, Scotty Smalls replies several times with the question, "Some more what?". After his frustration grew with Scotty, Ham replies with, "You're killing me Smalls." This phrase is commonly used to express discontent or frustration towards a person.
A quote from The Sandlot. If someone says this to you, it's probably a sign that they think you are stupid, and you should probably just walk away. Say this to someone only when they are acting incredibly stupid or clueless.