GREAT GUNS

{adv. phr.}, {informal} 1. Very fast or very hard. - Usually used in the phrases "blow great guns", "go great guns". * /The wind was blowing great guns, and big waves beat the shore./ * /The men were going great guns to finish the job./ Compare: FAST AND FURIOUS. 2. Very well; successfully. * /Smith's new store opened last week and it's going great guns./