1 definition by Shellywu

1. Neuropathy; mental illness.

2. Informal. Exhibiting markedly odd behavior, especially: due to boredom (a) or highly illogical in reaction (b).

From shenjingbing.com, orig. Mandarin Chinese.
a. and as the lecture progressed, the professor noticed that his students became ever increasingly shen jing bing.

b. I said that I wanted to carve the pumpkin, and his mom went completely shen jing bing on me.
by Shellywu April 4, 2003
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