blast shit nickers Share definition Flag the act of passing gas and getting crap all over the inside of your pants Hey son, i found a brown stain on your pants while doing laundry, did you blast shit nickers again? blast shit nickers by SOdeadAFTERschool September 1, 2010 0 0 Get merch Get the blast shit nickers mug. Buy Now — $32.95 See more merch