Eat My Shorts - The Simpsons
True story. As a kid I wasn't allowed to watch The Simpsons because of Bart Simpson's "rude" catchphrases and behavior. "Eat my shorts," indeed, parentals.
Will You Accept This Rose? - The Bachelor and The Bachelorette
Chris Soules is the 19th bachelor to utter the show's second-most important question (the first being a proposal, of course). "Will you accept this rose?" Why, of course we will, Chris. Of course we will.
Bazinga! - The Big Bang Theory
"Bazinga" was sort of funny the first few times Sheldon said it. Now? If we never hear him say it again it will be too soon.
D'oh! - The Simpsons
Like his similarly-hued son, Homer Simpson has a catchphrase: "D'oh!" Coupled with his customary facepalm, "d'oh" is an easy favorite.
Yada, Yada, Yada - Seinfeld
When Elaine Benis recounted a story to the boys and wanted to gloss over details she deemed unncessary, "yada yada yada" became her placeholder.
Seriously - Grey's Anatomy
If Hurley gets credit for "dude," Grey's Anatomy gets credit for "Seriously." As a question or a simple statement of fact, "seriously" is as versatile a catchphrase as they come.