day job

noun

1. one's regular job and main source of income, usually viewed in contrast to a speculative or irregular endeavor:

   Good luck in the lottery, but don't quit your day job.

Example Sentences

I just wanted to make commercials, and do improv and theater, and have a day job so that I could have health insurance.

From Salon

The huge benefit to me was that I had had a day job up until the day I was cast in "Fargo."

From Salon

Newsom isn’t waiting until his day job ends.

From Los Angeles Times

Green, in her day job, is a practicing mental health therapist.

From Los Angeles Times

But after running up a $145,000 debt on a European tour, he took a day job with Mercury Records in 1961, becoming the first African-American vice-president of a major record label.

From BBC