A response to something stupid.
"Yep, I disposed of the carcass in the park!"
"Err!"
a way to call someone out for trying to act cool.
When using this phrase it is very similar to saying "ur sick" sarcastically after someone brags or says something stupid.
An expression of disgust or disbelief, said when somebody repeats something that has been said or done earlier, especially if somebody is being two-faced. (similar to "as if")
Betty: "By the way, I think you should know that Bill said you're a man whore."
Bob: "Err rite!"
Bob: "I pick my nose and eat it"
Betty: "Err rite!"