# Energizer bunny

idiom

Source: https://englishreference.com/idiom/energizer-bunny
Updated: 2026-08-10

## Meaning

A person who seems to have limitless energy and endurance.

## Examples

- My sister is an Energizer bunny who never stops moving.
- You are a real Energizer bunny when you start cleaning the house.
- My grandfather is an Energizer bunny who works in his garden every day.
- Even after working a full shift, he went to the gym like an Energizer bunny.
- Our toddler is like an Energizer bunny because she refuses to nap and keeps running around the living room all afternoon.
- The lead singer performed for three hours like an Energizer bunny, dancing across the stage without ever looking tired.
- She remained an Energizer bunny throughout the long conference, outlasting everyone else with her relentless enthusiasm and stamina.

## Origin

Derived from the Energizer bunny, a pink rabbit toy character introduced for the advertising campaign of the battery manufacturer Energizer. The figure appeared in television commercials to demonstrate the longevity of the brand's product, typically by outlasting a series of other drumming toys. The term entered general usage as a metaphor for endurance.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.