Bust A Flow Edit Meaning

1.

To freestyle rap out of nowhere on a moments notice.

Ej can strait freakin bust a flow out of no where.

See rap, rhyme, spit, freestyle, bust a track

2.

to suddenly become very agitated or irritable, as if one's period started.

Sorry man, but my mom is going to bust a flow if you come over.

See pms, period, pmsing, asshole, dick, kind, thoughtful