Borrowed fromJapaneseです(desu,“be”), the polite form of the Japanesecopula, found most often at the end of a sentence.Know Your Meme attributes its spread to 4chan memes of theRozen Maiden character Suiseiseki who ends every sentence withdesu (see alsoキャラ語尾).

• (Received Pronunciation)IPA^(key): /ˈdɛsuː/,/dɛs/
• Rhymes:-ɛsuː,-ɛs

desu

1. (slang, humorous, chiefly fandomslang)Used at the end of asentence as an assertive particle.

   thisdesu ―this,tbh

   • 2002 March 20, Mahoronyan[username], “Re: I was wrong about Kokoro Library...”, inrec.arts.anime.misc‎^[1] (Usenet):

     My contributiondesu.

   • 2003 January 30, Ethan Hammond, “Re: Nuku Nuku DVD Impressions”, inrec.arts.anime.misc‎^[2] (Usenet):

     Freakydesu.

   • 2006 February 22, sanjian[username], “Re: FMA 47 - Sealing the Homunculus”, inrec.arts.anime.misc‎^[3] (Usenet):

     Awww, but it was just getting fun,desu.

   • For more quotations using this term, seeCitations:desu.

• duse,Dues,dues,Udes,sued,used

desu

1. Rōmaji transcription ofです

desu f

1. inflection ofdesa:
   1. accusative/instrumentalsingular
   2. genitiveplural

• English terms borrowed from Japanese
• English terms derived from Japanese
• English 2-syllable words
• English 1-syllable words
• English terms with IPA pronunciation
• Rhymes:English/ɛsuː
• Rhymes:English/ɛs
• Rhymes:English/ɛs/1 syllable
• English lemmas
• English particles
• English slang
• English humorous terms
• English fandom slang
• English terms with collocations
• English terms with quotations
• Japanese non-lemma forms
• Japanese romanizations
• Latvian non-lemma forms
• Latvian noun forms

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• Japanese terms with non-redundant manual script codes