Staver Share definition Flag A word used in the Scottish Highlands to describe a long and drawn out drinking session. "Aye, that wis a some staver ah wis on! Ma heed's burstin the noo" or "Friday's jist roon the corner, ah'm goin on a staver this weekend" Staver by Johnny30 July 6, 2007 0 0 Get merch Get the Staver mug. Buy Now — $32.95 See more merch