ExpandingBrain

Twitter 2017-01 humor active Updated 2026-02-18
Late 2010s Major 800 million+ lifetime posts

First documented in January 2017 on Twitter. Currently active and in regular use across social platforms since 2017.

Also known as: GalaxyBrainBrainMemeWhomstMeme

Origin

Created by Twitter user @MobBarley on January 16, 2017. The original four-panel image shows progressive brain enlightenment stages, from a small brain (simple thinking) to a glowing galaxy brain (transcendent wisdom).

Format

Multi-tiered comparison meme showing escalating levels of intelligence/sophistication. Typically four panels: normal brain → glowing brain → radiating brain → cosmic galaxy brain. Each level represents increasingly absurd, overcomplicated, or ironic takes on a topic.

Cultural Impact

Spawned the term “galaxy brain” as internet slang for ideas so clever they’re stupid, or vice versa. Used across political discourse, pop culture analysis, and everyday decision-making mockery.

Evolution

Extended to 5, 6, or even 10+ panel versions. Final panels sometimes featured ascension to godhood or complete brain dissolution, representing peak irony or stupidity.

Peak Usage

2017-2019, with sustained usage through 2023 as a commentary tool for comparing rational versus irrational thinking.

Source: Know Your Meme - Expanding Brain

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Related Hashtags

2008 2017 #ExpandingBrain 2017 #555 2008 #FourChanGreent… 2009 #233 2011 #OKBoomer2019 2015 #Galaxy Brain 2017
Related hashtags by year of first appearance — circle size reflects lifetime volume, fade reflects how active each tag still is.