To ruin something really good at your own sacrifice. To drive your metaphorical plane into that metaphorical church.
Jerry: "Dude I hooked up with Sally last night while she was drunk and now her and Ben are broken up!"

Matt: "Way to Jap that Church."
by Matt Evening November 5, 2007
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The art of adding ridiculous and unneeded alterations to a church similar to "pimp my ride" although the general theme of the alterations are oriental also usually bell towers.
by iexus March 9, 2005
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