Source: Arrested Development, Top Banana (S1E2)
Thank you floofer for making this gif.
Stashed in: gifs, Your argument is invalid., Reaction GIFs!, High Quality gifs
I guess it's a play on Steve Martin?
I still have not found a Steve Martin Excuse Me gif.
Will keep looking.
I did, however, find some other Steve Martin gifs...
Giphoscope: picture frame and flip book merged together.
Tony Hawk Skateboard Assist gif
Domino Sticks to put Ice in Glasses gif
Yuliya Snigir gifs