All laugh one's head off synonyms

verb laugh one's head off

• roar — a loud, deep cry or howl, as of an animal or a person: the roar of a lion.
• cackle — If someone cackles, they laugh in a loud unpleasant way, often at something bad that happens to someone else.
• guffaw — a loud, unrestrained burst of laughter.
• break up — When something breaks up or when you break it up, it separates or is divided into several smaller parts.