noun, American English - a strong metal or concrete barrier along the side of a road that prevents vehicles from going off the road
noun - the quality of being strange or unusual; the state of being odd or different from what is expected or normal
noun, American English, informal - a working-class person from a rural area in the southern United States, often stereotyped as uneducated, conservative, or unsophisticated
adjective - deviating from what is normal or typical; unusual or exceptional, especially in a way that causes concern or is undesirable