When someone says “you want a piece of me?”, it means that the person is challenging or confronting someone else, often in a confrontational or aggressive manner. It’s akin to saying, “do you want to fight?” or “are you challenging me?”.
Here are two examples in sentences:
Example 1:
The young man was getting heated in the argument, and suddenly he exclaimed, “you want a piece of me?” to his opponent.
Example 2:
When Bob saw that the stranger was teasing his little brother, he stepped forward and asked, “you want a piece of me?”.
And here are examples in conversation:
Example 3:
Dan: You can’t play basketball better than me.
Rob: Oh, really? You want a piece of me? Let’s see who wins in a one-on-one match.
Example 4:
Lucy: I think I can beat you in chess.
Mark: Ha, you want a piece of me? Let’s play a game right now.
So, the phrase “you want a piece of me?” is generally used to challenge or confront someone else, often in a playful or aggressive manner. It’s not typically used in polite or formal conversation.