A slur is a mean or disrespectful word or phrase used against a person or group based on their race, gender, or other characteristic. It is offensive and hurtful. Full definition
He was very open about how he was mainly sorry he got caught, denied that's who he was (even though he literally admits to being a racist), and blamed his using of racial slurs on his area of upbringing from 50 years ago. (sbnation.com)
Dicker prodded his guest and then proceeded to list a catalog of slurs against various races. (thealt.com)
In December three white players — goalie Bryan Masotta, defenseman Shawn Mansoff and center Matt Oliver — were charged with leaving a message replete with racial slurs on the answering machine of a black Maine football player. (si.com)