Oh, he's trying to start up Goofball.
5 seconds sound clip from the Inside Out (2015) movie soundboard.
You can hear this line at 00:31:03 in the Blu-ray version of the movie.
Quote context
[...]
- Hey. So, uh, things got a little out of hand downstairs.
- Do you want to talk about it?
- Come on, where's my happy girl?
- Monkey.
(IMITATING MONKEY GRUNTING) (2)
- Oh, he's trying to start up Goofball.
- Come on!
(IMITATING MONKEY GRUNTING) (3)
- What...
[...]