"lame" isn't super appreciated here. At best it's a homophone of a word that is ableist. At worst, people are actively being ableist. You never know with the internet, we have a ton of extremely problematic people pop in and use words that mean the second option. There's just better ways to express disbelief or calling someone socially inept.
"ass" used to mean donkey. Do most people use it to mean donkey now? No. Do some still? Maybe. Terms evolve, it's a big lingusistic thing, happens in every language with speakers
I've had Zeromancer's "doctor online" stuck in my head for around 24 hours. Listening to the classics really puts a lens on how the world has changed in about 20 years.