Esperanto/Appendix/Slang

There are very few idiomatic or slang words in Esperanto, as these forms of speech tend to make international communication difficult—working against Esperanto's main goal. The suffix -ĉjo may be used to describe something in an affectionate manner, but this was defined ever since the first Esperanto dictionary and should not be considered slang.

Slang

 * aligatori: to speak a national language different from one's own at an Esperanto congress.
 * bonantagulo : a lazy person who learns only a few simple Esperanto phrases such as "Bonan tagon!"
 * dando : fashionista, someone who is involved in fashion trends
 * etoso : ethos, atmosphere, "karma" (as of an Esperanto congress, etc.)
 * giko : geek
 * gufujo : a "chill room," a place or event that Esperantists gather at to relax and/or decompress
 * kabei : to disappear from the Esperanto movement (named after author Kabe)
 * krokodili : to speak one's native language among a group of Esperanto speakers
 * mojosa : "cool"
 * nerdo : nerd
 * samideano : Esperantist. Originally, someone "who has the same idea" as another.
 * verda papo : "green pope"; one who talks at great length about the ideals of Esperanto
 * verdulo : a proud/fervent Esperantist, literally "green person."
 * volapukaĵo : nonsense (after the obsolete constructed language Volapük)