Wiktionary
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Wikipedia
There's More Where That Came From is the sixth studio album by Lee Ann Womack, released in 2005. It received numerous awards and critical acclaim and was also Womack's highest selling album since 2000's I Hope You Dance. The album was Womack's return to a traditional country music style, producing three charting singles between 2004 and 2006: "I May Hate Myself in the Morning", "He Oughta Know That by Now" and "Twenty Years and Two Husbands Ago", which peaked at numbers 10, 22, and 32, respectively, on the Hot Country Songs charts. Womack's ex-husband, Jason Sellers, sang background vocals on "I May Hate Myself in the Morning".
Usage examples of "there's more where that came from".
You've all got a few coins in your pockets for your trouble too, and there's more where that came from.
If he wants money, I give it to him, including what I've got hidden in my sock, because there's more where that came from.
If he wants my ass, I show him the best time I can, 'cause there's more where that came from, too.