What is i bet on losing dogs meaning?

"I bet on losing dogs" is a line from the song "The Gambler" by country music artist Kenny Rogers. The line refers to a person who has made a poor decision or has taken a risk that is unlikely to succeed. In gambling terms, it means betting on something that is expected to lose. The overall message of the song is that in life, it's important to know when to hold 'em and when to fold 'em, and to accept the consequences of our choices.