Sufflating means to blow or breathe into something, like a balloon or a musical instrument.
Sufflating can feel like playing or making music.
Examples:
He is sufflating air into the balloon.
She sufflates into the trumpet.
We sufflate into the flute.
The clown sufflates a lot of air into the balloon!
I sufflate so much air into the balloon that it pops!
Sufflating into the trumpet makes a loud sound.