dragon sack is derived from the word rodney made up used to describe phillipe wilsons bed, which has pictures of chinese dragons on it. rodney called it the dragonsack. we all slept in the dragon sack together back in the day. now i call my ballsack the dragonsack, and i am known for inventing it. it is used by youth in regions in almere and amsterdam.
In Guild Wars 2, while playing mesmer and blocking everything with sword 4 off-handskill but only at last moment so you never channel sword 4 skill and its instantly gone.
That guy blocked the KC's backslam with sword 4, he do be dragonbacking