"Oh, numnah"

Sameer Mishra, an eighth-grader from Indiana, was relieved to find out that a word he probably wasn't allowed to use in his own home wasn't really the word he heard during the live coverage of the National Spelling Bee tonight.
A word that means something about a horse's saddle was really ... just watch the clip, as Tom Bergeron would say:

Even more embarassing, he had to repeat what happend afterward to Erin Andrews , and she wasn't afraid to say it either. What a bonding moment.
The kid ended up winning the whole thing. His championship-clinching word -- guerdon.
Or maybe it was gerkin.