As in it is a normal descriptive word unless used negatively. At least this is true in Jewish communities - especially those brought up speaking or descended from Yiddish speakers. In the Yiddish language 'Yid' means 'Jew' and 'Yiddish' means 'Jewish'. The use of the word Yid as offensive was brought about only by people who hated Jews. I for one am not willing to let them tell me how to describe myself. I am a Yid, ikh bin a Yiddisher, a Yiddele, a Yiddelach!
Hungary's Orban: Refugees threaten Europe's Christian roots (Reuters)
from the article: London soccer team's fans use banned term 'Yid’ at Yom Kippur match