lqi-ddi Share definition Flag laughing quietly inside -- deep, deep inside. Eunice: (talking to a bald guy trying to be funny) "Hey cueball."Bald guy: (sarcastically -- preferably dead-pan) lqi-ddi. lqi-ddi by ctree1 July 7, 2011 0 0 Get merch Get the lqi-ddi mug. Buy Now — $32.95 See more merch