Someone who consistently demonstrates vapid, flighty, or scatter-brained thinking — unable to focus, easily distracted, and prone to forgetting simple things moments after being told them. The -er suffix implies it's a habitual identity rather than a one-off lapse.
Classic airbrainer — she packed her gym bag and left her gym shoes at home.
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Viral internet speak — memes, ratios, main-character moments, and the algospeak of every platform from Twitter to Reddit to TikTok comment sections.
See all Internet & Memes slang on Slangora.