/red"nek'/ , Informal ( often disparaging ).
n.
1. an uneducated white farm laborer, esp. from the South.
2. a bigot or reactionary, esp. from the rural working class.
adj.
3. Also, red-necked . narrow, prejudiced, or reactionary: a redneck attitude.
Also, red-neck .
[ 1820-30, Amer.; RED 1 + NECK ]