what does beef mean in rap music

beef有一种俚语意思是"你有什么事" what's your beef?

i got no beef with you 我跟你没什么事(没什么矛盾)

1. Beef
to have a grudge or start one with another person.

(50 cent: life's on the line) "Beef u dont want none so dont start none"

2. Beef
to have beef with someone is wanting a fight with them. A person having something against someone else or wanting an argument or a fight

oi blad why u want beef with me
oi u jacked my bredrin yeah and now i got beef with u

表示对人不满，厌恶