Blow the grampuse Share definition Flag To throw cold water on a man who has fallen asleep when on duty. I blew the grampuse on my lazy coworker. Let's blow the grampuse and get his trolleywags wet! Blow the grampuse by JordanR February 19, 2007 0 0 Get merch Get the Blow the grampuse mug. Buy Now — $32.95 See more merch