Definition
This is a humorous expression used to suggest that something, typically consuming strong alcohol or a large, filling meal, will make someone more masculine.
（俗语）这会让你更像个男人！
"That whiskey will put hairs on your chest!" he laughed, handing me a glass.
「那威士忌会让你长胸毛！」他笑着递给我一杯。
Finishing that double cheeseburger will definitely put hairs on your chest!
吃完那个双层芝士汉堡绝对会让你长胸毛！
"Want another shot? That'll put hairs on your chest!" my friend joked.
「再来一杯？那会让你长胸毛！」我的朋友开玩笑说。