Definitions by my awesome words
Jewishmas
If you celebrate both Hanukkah and Christmas, it's the period of time between the first day of Hanukkah and until Christmas day.
the afternoon of 12/20 until the afternoon of 12/25, that is Jewishmas. (after that is just called the end of Hanukkah).
Jewishmas by my awesome words December 27, 2011