bouillonner bedeutet auf Englisch

bubble [bubbled, bubbling, bubbles]▼◼◼◼(to rise up in bubbles)
verb
[UK: ˈbʌb.l̩] [US: ˈbʌb.l̩]

seethe [seethed, seething, seethes]▼◼◼◻(to boil vigorously (intransitive verb))
verb
[UK: siːð] [US: ˈsiːð]He was seething with anger. = Il bouillonnait de colère.