bris

circumcision ceremony; the celebration surrounding it. Lit. covenant.

broiges

angry, annoyed (adj.)

a dispute (n)

cheder

Hebrew and religious classes (often on Sundays) for elementary school children.

mazik

a mischievous person, often a child

(with verb "to be") to ruin partially; damage (Yeshivish usage)

mazume

"A group of three or more adult males who join together to recite the after-meal blessings..." (Steinmetz).

"ready money, cash" (Steinmetz)

mechuten

the father of one's child's spouse, though can sometimes be used to refer to the grandfather of one's grandchild's spouse.

In laws, more generally (http://www.pass.to/glossary/gloz2.htm#letm).

naches

"Proud pleasure, special joy--particularly from the achievements of a child... 2. Psychological reward or gratification." (Rosten)

sheymes

n., such content

adj., of or relating to printed material, such as a book or even an audio recording, that contains the name of God, and therefore must not be erased, put on the floor, etc., out of respect for the Divine Name

yontif

a Jewish holiday, especially one on which work is prohibited (in contrast to chol hamoed)