Ariel Winter stars as Alex, the middle child of Phil and Claire on ABC's Modern Family.  Alex is definitely a bit of a smart ass.

Alex Dunphy Quotes

You know, instead of trying to force me to wear a dress, why don't you worry about getting Luke to wear some pants?

Alex [to Claire]

If Haley got pregnant, would you ever pretend she got mono for a few months and then tell everyone the baby's yours?

Alex

Modern Family Quotes

By the way, do not look up peeing games on the internet.

Jay

Cameron: If I wasn't in school or fishing, I was clowning. There are four types of clowns: a tramp, Auguste, a whiteface, and a character. I am a classically trained Auguste clown named Fizbo.
Mitchell: Between the clowning and the fishing, I'm surprised you had time for the schooling. Aww, there's the fifth type, the sad clown.
Cameron: A sad clown is a tramp.. so there's still only four types.