What does the slang word "spray" mean?

What does the slang word "spray" mean? Slang word spray has several meanings depending on context. In UK slang, spray means to talk at length, often boasting or chatting up, as in he was spraying about his car meaning talking big, or to spray lyrics means to rap or spit verses, especially in grime and UK rap, as in MC spraying bars. In gang slang, to spray means to shoot with gun, firing many bullets, as in spray the block. In graffiti culture, to spray means to paint with spray can, creating graffiti. In general slang, spray can mean to ejaculate. In Australian slang, spray might mean to vomit. In some contexts, spray means to scold or reprimand at length. So slang meanings include to talk boastfully, to rap, to shoot, to graffiti, and to vomit, depending on region and subculture, with core idea of dispersing rapidly, whether words, bullets, or paint, in quick continuous manner.