Uh... Why is he wearing carbon fiber underpants?
5 seconds sound clip from the Big Hero 6 movie soundboard.
You can hear this line at 00:46:20 in the Blu-ray version of the movie.
Quote context
[...]
- No, no, no! Get out of here! Go!
- Dude, what are you doing out here?
- Nothing! Just out for a walk. Helps my pubescent mood swings.
- Uh... Why is he wearing carbon fiber underpants?
- No, don't push us away. We're here for you.
- That's why Baymax contacted us.
- Those who suffer a loss, require support from friends and loved ones.
[...]