Creeping Up A Storm Share definition Flag A phrase used when "creeping" just isn't sufficient to fully describe a person's sketchy actions. Bob walked behind us and listened to our entire conversation. He was creeping up a storm. Creeping Up A Storm by Yeaaaaaaaaaaaaaah Bob November 11, 2010 0 0 Get merch Get the Creeping Up A Storm mug. Buy Now — $32.95 See more merch