I've chosen to extend[1] that definition to:

Quora. (n). A site that used to appear in my search results.

[1]: https://chrome.google.com/webstore/detail/personal-blocklist...

2. (adj) Equally bad on a real computer. “It's not just the fucking app, that site's quora.”

I like the content on there, I really do. But why the hell do you have to sign up just to read it?