Top Definition
The feeling of panic that develops in your late twenties as you sense the waning of that first hip, virile, beautiful, anything's-possible stage of adulthood, and approach the next stage, the one that comes with wrinkles and disappointments.
Me: I feel anxious.
You: About what?
Me: Nothing. Everything.
You How old are you?
Me: 28.
You: Maybe it's Thirtigo.
Me: Maybe you're a jerk.
You: Suit yourself.
Me: Wait, don't leave. I'm too old to make new friends.
by Jon Protas September 26, 2007
5 Words related to Thirtigo

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