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.

chanichim

campers; members of youth movement, as in Hashomer Hatzair

disciples (in a classroom)

gaga

A version of dodgeball played in a hexagonal or octagonal "pit," sometimes referred to as "Israeli dodgeball." Gaga is common in Jewish summer camps, schools, and community gatherings and has spread to non-Jewish settings as well.

Knesset

Israel's parliament

maccabiah

international Jewish sports competition, known as the Jewish Olympics, held (mostly) every four years since 1932; smaller regional competitions held in Jewish community centers around the world

color war / intra-camp competition in a Jewish summer camp

madrich

youth counselor or supervisor

oleh

Immigrant to Israel; a person who makes aliyah.

Shabbat Shalom

Used as a greeting or departing line (hello or goodbye) on or before Shabbat. Literally "peaceful Sabbath."