Which movie contains the quote, "Say hello to my little friend!"?

The movie that contains the quote "Say hello to my little friend" is "Scarface." The quote is uttered by the character Tony Montana, played by Al Pacino, during a climactic scene where he defends his drug empire against rival gangsters. This line has become iconic and represents Tony's arrogant and confrontational nature as he wields a grenade launcher, symbolizing his willingness to use extreme violence to protect his power and reputation.