The sensation when the thought of the rest of your life is overwhelming, dizzying, and usual terrifying, often with strong tones of existential angst.

This is very likely to occur at the time of a quarter-life or midlife crisis, or at the moment of a great change in life - new child, divorce etc.
I couldn't get to sleep last night, I had a terrible case of life vertigo.
by Heardabouttheword January 3, 2019
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