jackpipe Share definition Flag To fuck very hard. A combination of the words "jackhammer" and "piped" I picked a girl up from the club last night, took her back to my place, and jackpiped her until the early morning hours. jackpipe by skullnbones May 20, 2017 0 0 Get merch Get the jackpipe mug. Buy Now — $32.95 See more merch