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fatty boombalatty

(slang) An extremely thick joint or blunt of marijuana.

ˈfæti ˈbumbɑltiDocumented since 1890sSilenthistorical144 viewsLast reviewed Jun 29, 2026+ Add a definition
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2 definitions
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Born ~1899 · no dated citations yet
1899BornToday, 2026

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#1·Apr 27, 2026Global

(slang) An extremely thick joint or blunt of marijuana.

This fatty-fatty-boombalatty kid, Ed Linke, who is pitching himself into a regular's berth on the Nats' trip home, is pretty full of awareness, for a rookie.
Cluster: weed
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#2·Apr 27, 2026Global

(pejorative, slang) An extremely obese person.

Origin: From a 19th century children's rhyme: "Fatty, Fatty, Boom-a-latty; This is the way he goes! He is so large around the waist, he can not see his toes!". Earliest written attestation from 1899. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
For parents

Fatty boombalatty means: An extremely obese person.. It is informal slang, fine in casual speech but not suited to formal contexts. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.

For ESL learners

fatty boombalatty means: An extremely obese person.. Register: very informal, slang. Suitable only for casual conversation, chat and social media. Do not use in business, academic or news writing. A common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; native speakers immediately notice when slang appears in formal contexts, so always check the surrounding register before producing it yourself.

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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.

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