*Catholic Dictionary*
AMEN:
The only part of a prayer that everyone knows.
BULLETIN:
1. Parish information, read only during the homily.
2. Catholic air conditioning.
3. Your receipt for attending Mass.
CHOIR:
A group of people whose singing allows the rest of the congregation to lip-sync.
HOLY WATER:
A liquid whose chemical formula is H2OLY.
HYMN:
A song of praise, usually sung in a key three octaves higher than that of the congregation's range.