Wiktionary
having a word
vb. (present participle of have a word English)
Usage examples of "having a word".
Although I couldn't tell what the old boy with the dog-collar under his uniform was saying, I hoped he was making reference to the shite-hawks and the beetles, and having a word to say about how the tropics are much better than cold climates at setting life and death slap up against one another, practically in a copulating position.