exclamation. A goodier, holier, Jesus-ier version of “Holy shit!”
Related terms: sweet Mother Mary on a motorboat, holy shit on a stick, holy crispy crap on a cracker, sweet merciful Buddha on a crutch, holy freakin' Christ in a Christmas tree, Jesus H. Christ on a popsicle stick.
Real citation: "But on an entirely different note: Good holy Jesus in a jumpsuit! Alias for the first time... SUCKED."
(Kelly, "4 more days until the weekend!!!," Jan. 19, 2004, http://www.livejournal.com/users/kellbell906/46126.html?mode=reply)
Made-up citation: “Good holy Jesus in a jumpsuit! Take it easy with the Jesus juice, Mom!”