Going waaay over the top with something and not reaping the consequences.
(usually used in situation or with a noun)
"Dude, did you hear Dave went bare four rounds in a row? He didn't even get her pregnant. He's going japanese so hard."

"I shot up an ounce of heroin and didn't OD. #goingjapanese"
by peanutlicker May 5, 2014
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To malfunction so you have to buy a new one after 2 months. Refers to Japanese products exclusively.
My brand new Sony Clie went Japanese on me, it doesn't work anymore, even though I didn't abuse, and I think I'll have to buy a new one.
by Ishan October 9, 2003
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