Wikipedia Tagline edit
My suggestions for the MediaWiki:Tagline:
from Wikipedia, the free encyclopedia we build together
Ideas for April Fools edit
In regards to the reputation for accuracy:
from Wikipedia, of course it's true, every single word of it
In regards to the goal of waiting until there is scholarly or media coverage
from Wikipedia, you heard it herefirstsecondthird
Pull in some pop culture reference
the Great and Powerful Wikipedia has spoken! Pay no attention to the editors behind the curtain.