Fly off the handle
In the days before mass merchandising, poorly fastened axe heads would fly off while they were in use. The result was dangerous, hence why the phrase is used to describe risky behavior with unpredictable results. Check out these common sayings that actually don’t make sense.
Steal someone’s thunder
In the early 1700s, English dramatist John Dennis invented a device that imitated the sound of thunder for a play he was working on. The play flopped. Soon after, Dennis noted that another play in the same theater was using his sound-effects device. He angrily exclaimed, “That is my thunder, by God; the villains will play my thunder, but not my play.” The story got around London, and the idiom was born. Check out these 10 famous phrases you never knew were trademarked.