The riff: Whined by Crow as the short’s dumpy little central character, Buzz, trudges up the stairs past his mother, who asks if he wouldn’t rather go outside on this lovely day.
The explanation: Rather a unique use of the word “sebaceous,” which is typically found in the medical world to describe the sebaceous glands located under the skin. These glands produce skin oils called Sebum and contribute to acne, especially around the face and scalp. Crow, however, seems to be referring to the less often used adjective form of the word, calling Buzz “resembling tallow or fat, greasy.”
Novelty factor: I had a general idea from the context of what they meant, but I can’t claim to be a gland expert.