"The Simpsons" has contributed several words to modern vernacular that have since made their way into the dictionary, including d'oh (an annoyed grunt), meh (an interjection expressing boredom or indifference) and cromulent (positive / acceptable).
And just when you start to get bored, a giant d'oh!— AltWeeklies.com Site Feed
All week we have been witnessing pro-jihad protests across the Middle East (d'oh), Europe and America.— Atlas Shrugs
He was apprehended as he attempted to drive home (d'oh!) and charged with child neglect, driving on a suspended license, fleeing to avoid arrest, no proof of insurance, and possession of drug paraphernalia.— Southern Maryland Community Forums
I'd be tempted to say that you wouldn't find G. Orwell in the Wasilla Library (d'oh!), but reports of the sweep of the shelves were greatly exaggerated.— Lesbian Dad

Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a year.