It means when you taking someone lyrics or trying to be like someone
Eattin my lunch is like rappers wanting to be pac
by trap allstar September 26, 2005
the act of ripping of one's style or ideas and passing it off as their own, possibly in order to profit or gain status.
Anne copies my trademark hairstyle; that bitch is eattin my lunch.
by KarenP September 28, 2005