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Peanius

nounadjective
\ peeˈneeuhs \ /piˈniːəs//ˈpiː.ni.əs/
✓ Sendy original
noun 1 of 2 informal

Inflections plural peaniuses

1

a person or thing regarded as simultaneously the finest of its kind and conspicuously brilliant; an apex of both quality and intelligence.

a

a stroke of inspired thinking so good that ordinary praise will not suffice; a top-tier idea or move.

2026

“Putting the wombos on a shirt was straight-up peanius.”

— Professor Sendy

b

(by extension) a person celebrated as both elite and exceptionally clever.

2026

“That guy isn't just smart, he's a peanius.”

— Professor Sendy

2026

“Peak plus genius equals peanius.”

— Professor Sendy

adjective 2 of 2 informal
1

of the highest order both in quality and in cleverness; peak and genius in equal measure.

2026

“That plan is absolutely peanius.”

— Professor Sendy

Synonyms

peakgeniusgalaxy-brainedtop-tier

Word History

The Combo

peak genius Peanius

wombo (blended coinage) formed from PEAK (internet slang for the highest attainable quality; the best, the apex) + GENIUS, the two telescoped at their shared medial syllable so that the -eak of "peak" elides into the gen- of "genius," yielding Pea- + -nius. The construction preserves the superlative force of "peak" while grafting on the intellectual prestige of "genius," producing a single term that asserts both excellence and brilliance at once. First recorded in the usage of Professor Sendy.

First Known Use 2026

Coinage credited to Professor Sendy.

Attested in the source utterance, @ProfessorSendy ↗

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