a long life

Used to greet a mourner after someone has died.

Chabad

an outreach-oriented branch of Hasidic Judaism that follows the Lubavitcher Rebbe. Chabad has thousands of branches around the world, including at many college campuses.

from your mouth to God's ears

response to a good wish or blessing that mentions future events: I want that to happen, but I'm not sure it will.

kitke

braided egg-bread eaten on the Sabbath (known as challah elsewhere)

teiglach

a confection of dough balls dipped in honey/syrup and eaten at Rosh Hashanah

tseloznik

a cute, mischievous child

a spoiled child

yok

rowdy non-Jewish hooligan (derogatory)