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1.
When you can't stay out late on a saturday night because you have to be at church early on sunday morning. similar to curfew.
Person A: "Wanna come to my party on Saturday night?"

Person B: "What time is it?"

A: "7-12pm"

B: "Yeah, but I'll have to leave early, gotta be home by my churchfew."
by fatt0ny May 29, 2010