exclamation. A smurfed-up alternative to "Sweet merciful monkey balls!"
Real citation: "Holy mother smurfing smurf, you did not jus smurfing say that."
(Kazan, March 5, 2004, http://126.96.36.199/search?q=cache:OtPLrpUN0vMJ:www.centerpub.com/forum/printthread.php%3Ft%3D7356+%22mother+smurfing+smurf%22&hl=en)
Made-up citation: "When I found my new apartment--two blocks from the park and two inches from two sushi restaurants--I giggled and whispered, 'Holy mothersmurfing smurf!'"