LingOD

The specialized vocabulary of a particular field or discipline that is overused in an attempt to fit in, impress, or just hide a limited vocabulary or inability to think independently.

Overdose of lingo can be accidental or intentional, but repeated use is harmful.
Current examples of LingOD:

News Media/Politics: "notion"
Workplace: "reach out"
by ConcealedID June 27, 2009
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