You're dying to post this funny post, but something's come
up that makes it inappropriate?
Or, you just posted something funny, and now you can't
show your deep and serious thinking processes.
FuturePost to your help. Will post your posts in your name
at a future time when its much better.
Will give you advice
about the post (too long... too short... don't use those
words when your friends are such and such exedra exedra.
Ax the FuturePost community what They think before you
post it.
Of course, you sign in to FuturePost with your real
credentials but publicly, on the site, you are only known by
vague descriptive attributes of your personality and
friends.