noun.
Mister; fellow. Used as a contemptuous form of address.
The Century Dictionary and Cyclopedia
noun.
A word of address, generally equivalent to “fellow,” or to “sir” with an angry or contemptuous force.
the GNU version of the Collaborative International Dictionary of English
noun.
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.