mexican jumping bean: meaning, definition, pronunciation and examples
C1Informal, often used in a descriptive or metaphorical context. Not typically found in formal writing.
Quick answer
What does “mexican jumping bean” mean?
A seed or small pod, typically from Mexican shrubs of the genus Sebastiania, that appears to jump or move erratically due to the presence of a live moth larva inside it.
Audio
Pronunciation
Definition
Meaning and Definition
A seed or small pod, typically from Mexican shrubs of the genus Sebastiania, that appears to jump or move erratically due to the presence of a live moth larva inside it.
Used metaphorically to describe a person or object that moves or acts in a similarly jerky, unpredictable, or agitated manner. Also refers to the novelty item or toy based on the phenomenon.
Dialectal Variation
British vs American Usage
Differences
The term is identical in both varieties. The phenomenon is less common in British cultural experience, making it a more exotic reference.
Connotations
Both: curiosity, novelty, harmless erratic movement. American English may have slightly stronger cultural association due to geographic proximity to Mexico.
Frequency
Equally low frequency in both, but likely higher recognition in American English due to cultural and geographic exposure.
Grammar
How to Use “mexican jumping bean” in a Sentence
be/look/act like a Mexican jumping beanresemble a Mexican jumping beanVocabulary
Collocations
Examples
Examples of “mexican jumping bean” in a Sentence
verb
British English
- The toy simply can't be made to mexican-jump-bean its way across the table.
American English
- He was mexican-jumping-beaning all over the couch during the movie.
adverb
British English
- The cursor moved mexican-jumping-bean-like across the corrupted screen.
American English
- She paced mexican-jumping-bean-style, unable to settle.
adjective
British English
- He had a sort of mexican-jumping-bean energy about him.
American English
- The meeting had a mexican-jumping-bean quality, bouncing from topic to topic.
Usage
Meaning in Context
Business
Rare, except in metaphorical criticism: 'The sales figures are bouncing around like a Mexican jumping bean.'
Academic
Rare, possibly in biology/entomology texts describing the symbiosis between the plant and the moth larva (Cydia deshaisiana).
Everyday
Descriptive: 'My toddler after too much sugar is like a Mexican jumping bean.' Also refers to the novelty toy.
Technical
Specific use in entomology/botany for the seed of Sebastiania pavoniana inhabited by the larva of the jumping bean moth.
Watch out
Common Mistakes When Using “mexican jumping bean”
- Incorrect capitalisation (e.g., 'Mexican Jumping Bean' – only 'Mexican' is always capitalised).
- Misunderstanding as a type of bean that is edible.
- Using it to describe fast, linear movement rather than jerky, unpredictable movement.
FAQ
Frequently Asked Questions
Yes, the movement is caused by a live moth larva (caterpillar) inside the seed pod, which moves when it twitches or shifts position.
No, they are not a food item. They are seeds from specific shrubs and are toxic if ingested.
It is generally considered a neutral, descriptive term for a natural phenomenon and novelty item. However, as with any phrase using a demonym, context and intent matter; using it solely as a quirky metaphor for a restless person is typically harmless.
The larva inside can remain active for several months, especially if kept in a warm environment. Eventually, it will pupate and emerge as a small, grey moth.
A seed or small pod, typically from Mexican shrubs of the genus Sebastiania, that appears to jump or move erratically due to the presence of a live moth larva inside it.
Mexican jumping bean is usually informal, often used in a descriptive or metaphorical context. not typically found in formal writing. in register.
Mexican jumping bean: in British English it is pronounced /ˈmek.sɪ.kən ˈdʒʌm.pɪŋ ˌbiːn/, and in American English it is pronounced /ˈmek.sɪ.kən ˈdʒʌm.pɪŋ ˌbiːn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Like a Mexican jumping bean on a hotplate (emphatic variant)”
Learning
Memory Aids
Mnemonic
Imagine a BEAN from MEXICO that can't sit still and keeps JUMPING because a tiny bug is doing gymnastics inside.
Conceptual Metaphor
ERRATIC MOVEMENT IS THE MOVEMENT OF A MEXICAN JUMPING BEAN / AGITATION IS A LARVA WRITHING INSIDE A SEED.
Practice
Quiz
What is the primary cause of a Mexican jumping bean's movement?