針小棒大 make a mountain out of a molehill

針 (pin) 小 (small)
棒 (pole) 大 (big)






Have you ever had a scary experience and wanted to show off? "...you wouldn't believe what happened to me last night... I was walking down this dark alley... "

For entertainment's sake, no one should blame you for turning a toothpick-sized pin into a large baseball bat.