It's not a dress, it's a kilt! Sicko!
8 seconds sound clip from the How the Grinch Stole Christmas (2000) movie soundboard.
You can hear this line at 00:45:09 in the Blu-ray version of the movie.
Quote context
[...]
- 6:30, dinner with me. I can't cancel that again.
- 7:00, wrestle with my self-loathing I'm booked!
- It's not a dress, it's a kilt! Sicko!
- This is ridiculous. If I can't find something nice to wear, I'm not going.
- Well, it's time for our Holiday Cheermeister of the Year Award!
[...]