(1.) An asinine term said by fucked up authority figures, who think age should trump critical thinking, common sense, honest dialogue, or any sense of reasonableness.
There's a reason no adult accuses another adult of "
talking back". It's as stupid as accusing a bird of chirping. If an adult wants to tell another adult they're being disrespectful, they use the term, "talking smack."
"
Talking back" in contrast, is just the
natural response anyone should expect, when they direct their words at another person. If someone does not wish to have a response to the things they are saying, furniture, inanimate objects, and non-human animals are available.
(2.) An adult example of regression, in which age is used as an excuse to not give an adult response, and instead basically tell someone to shut up.