chutzpah

nerve, audacity, the quality of over-stepping boundries with no shame (negative)

guts (positive)

mazel tov

congratulations [lit. "good fortune"]

meshuga

crazy

mitzvah

Literally, "commandment"

good deed

seder

order, orderliness, system, routine

The name for the six sections of the Mishnah.

period for Torah study

A ceremony involving recitations, singing, food, and drink typically associated with Passover, but also with Tu B'shvat and Rosh Hashanah.