Munding Share definition Flag A verb meaning to laze around and do nothing. To exert no energy; the complete lack of activity. 'I've been munding all day' 'We're just munding' 'I'm munding, its the act of mundification' Munding by reacet06 July 18, 2011 0 0 Get merch Get the Munding mug. Buy Now — $32.95 See more merch