I was just typing Korano as you beat me to it. Although that is the most memorable, I go for
"Here is a man who stood up against the scum, the cunts, the dogs, the filth, the shit, here is someone who stood up....here is...?"
Western but not spag, Outlaw Josie Wales
"don't piss down my back & tell me it's rainin' "
One for good luck, Full Metal Jacket (& there are many)
"your nothing but unorganized grab-asstic pieces of amphibian shit!"