Bust a flow的意思

"Bust a flow" is a slang phrase that is often used in the context of hip-hop or rap music. The term "bust" can mean to start or to perform, and "flow" in this context refers to the rhythmic delivery of rap lyrics. So, "bust a flow" essentially means to start rapping, to perform a rap, or to join in with the rhythm and rhyme of a hip-hop song.

This phrase is characteristic of the language and culture of rap music, where artists often talk about "flowing" or "riding the beat" to describe their lyrical style. It's a call to action, encouraging someone to showcase their skills in creating and performing rap lyrics.