...new terminology...

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catastrophize  - v.

To present a situation as worse than it is.

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cheeseball - adj.

Lacking taste or style.

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chillax - v.

To calm down and relax

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cool hunter -n.

One who predicts new styles and trends.

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cougar -n.

Older woman who dates younger men.

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eggcorn - n.

Logical swap of words with similar sounds (from "egg corn" for "acorn")

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exit strategy -n.

Planned means of extricating oneself from a situation

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flash mob - n.

Brief gathering for a common purpose, announced by e-mail or text.

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frenemy - n.

Friend with whom one has frequent conflict

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gal pal - n.

Female friend.

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green audit - n.

Analysis of a business' environmental impact.

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homeshoring - n.

Moving jobs to employees' homes (from "offshoring")

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hypermiling -  n.

Altering a car to maximize its fuel economy

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locavore -  n.

One who primarily eats locally grown food.

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matchy-matchy - adj.

Excessively color-coordinated.

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pimp - v.

To make something more showy or impressive.

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riff -  v.

To expound on a particular subject.

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staycation - n.

Vacation spent at home

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toxic debt- n.

Debt that has a high risk of default

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truthiness - n.

Quality of seeming true.