The phrase "little steam" refers to having some energy or enthusiasm to do something, but not a lot. It means having a small amount of motivation or power to get things done. Full definition
Earlier in the season they had a cute little steam punk candle holder. (stonegableblog.com)
Overall, you'll definitely get your money's worth from this powerful little steam iron. (thespruce.com)
My kids love munching on little steamed florets of it and the classic gratin of cauliflower is a venerable side item to accompany any main meal. (pearltrees.com)