make droning sound

make droning sound

(to make) a hissing sound (as when gas escapes from a liquid)

bubble

to cook (food), be cooked, in oil which spits

hiss, fry

(to make) the hissing sound (as if) of something cooking in fat

hiss, fry

to breathe noisily, especially with a whistling sound in the chest

breathe roughly, heavily