Hold on to your hat Means: Get ready for what's coming or about to happen!
Hold on to your hats, everybody—we're about to see what these fireworks can do.
Hold on to your hat! I have some big news.
Friend 2: You got yourself a boyfriend?
Friend 1: No. It's bigger than that. I won twenty million dollars in the lottery.
Friend 2: Wow! That's amazing.
#Idiom
#Teamjimmy
@sirjimmy