Wiktionary
n. 1 Both thickets and thin woodland; (through) all obstacles in a path. 2 (context idiomatic English) Both good and bad times.
Wikipedia
Colloquially, thick and thin means good times and bad times.
Thick and thin may refer to:
- "Thick and Thin", a song by Avenged Sevenfold on Sounding the Seventh Trumpet
- "Thick N' Thin", a song by The Black Crowes on Shake Your Money Maker
- "Thick & Thin", a song by Ten City on No House Big Enough
- Thick and thin, opposing philosophical concepts discussed by political theorist Michael Walzer
- Thick and thin, forms of the rule of law present in Chinese law
Usage examples of "thick and thin".
I've been with him through thick and thin and neither one of us has hit the big time, so we don't have to worry about that angle.
Everything had a patch of thick and thin lines, a Universal Product Code, just like back home.
She's stuck to him through thick and thin and forty years of adultery.
You stick to it through thick and thin, no matter how silly or hard it is.
And he led them a great pace over rough and smooth and through thick and thin, till the horses of all the courtiers were tired out and these four were still following.