Use slurs when you're trying to offend, not in general use.
Trying to offend all the time is childish.
It's also used when voicing frustration, or as nick names.
"Gosh darn it, why won't you start now you rust bucket"
It's also used when voicing frustration, or as nick names.
"Gosh darn it, why won't you start now you rust bucket"