sirrah n 1: formerly a contemptuous term of address to an inferior man or boy; often used in anger
Sirrah \Sir"rah\, n. [Probably from Icel. s[imac]ra, fr. F. sire. See {Sir}.] A term of address implying inferiority and used in anger, contempt, reproach, or disrespectful familiarity, addressed to a man or boy, but sometimes to a woman. In sililoquies often preceded by ah. Not used in the plural. "Ah, sirrah mistress." --Beau. & Fl. [1913 Webster] Go, sirrah, to my cell. --Shak. [1913 Webster]