cannonball Sunday
n.— «Attendance at his church picks up slightly for Christmas, but he calls the following week’s service “Cannonball Sunday.” “You could shoot a cannonball through the church and you wouldn’t hit anybody because attendance is so low,” he said.» —“Area’s churches have open arms, full pews” by Stephen Van Etten Hunterdon County Democrat (N.J.) Dec. 22, 2004. (source: Double-Tongued Dictionary)