It became extinct after World War II, due to the genocide of most of its speakers in extermination camps by Nazi Germany.
They led a peripatetic (or semi-peripatetic) way of life, travelling around the country (especially during the warmer seasons of the year) and offering their services to the sedentary population of the Bohemian countryside.
The Sinti appear to have been the first Romani group to be established in the region, some of them arriving from southeastern Europe as early as in the 15th century; they mostly inhabited the German-speaking parts of Bohemia.
In addition, there were also several non-Romani peripatetic groups in Bohemia, who spoke Czech or German or argots based on these languages.
They were called "Poles" (Poljako, plural Poljača) by the Kalderash, which is one of the ethnonyms the Kalderar use to refer to different Romani groups.
The sedentary population referred to all peripatetic groups, including Bohemian Roma, as "gypsies": cikáni in Czech or Zigeuner in German.
In addition, it shares with the other North Central dialects of Romani the layer of loanwords from South Slavic languages, Hungarian, and Slovak.
Kana kerelas, kerďas dešupandž karfa, the diňas len peskra romňake, kaj te džal jarreske.
Phenďas o rom peskra romňake: "Dikhes romňije, me som murš, kaj bištheštar maťhen tel jekha dabate našavava."