Ape-ass Crazy
Doing something crazy such as almost running over a drunk as he's taking a piss, causing him to jump into the pond he was pissing in. That act, my friend, would be ape-ass crazy.
"Heh... Y- y'alls Ape-ass crazy!" - a dude named Billy
Ape-ass, bat-shit crazy
A huge step higher than just plain old bat-shit crazy; Britney Spears
"Tom Cruise may be bat-shit crazy, but that Britney Spears is ape-ass, bat-shit crazy!"