adverb. Done with a totally un-cuckooburger-type flair.
Related terms: batshit loony, batshit whacko, batshit insane, batshit nutty, batshit nutso, batshit-deranged, super-batshit-insane, pre-batshit-insane, completely-fucking-batshit-insane, batshit-fucking-crazy, batshit-sounding, non-batshit, pre-batshit, anti-batshit, batshittery, batshititude, batshitologist, batshitometer, holy batshit, batcrap, batpoop, batfuck.
Real citation: “Also, can I non-batshitly recommend a book to you? It's called Blue Like Jazz...the guy has the same problems with Christianity as I do and is absolutely hilarious to read.”
(June 19, 2007, http://undying-rose17.livejournal.com/315986.html)
Made-up citation: "There's just no way to non-batshitly recite a sincere ode to your mom, the Jesus, and some leprechauns. However, I applaud the effort."