k-henge Share definition Flag When snorting too much ketamine at the Summer Solstice at Stonehenge, some users can enter a k-hole, now called k-henge. "That dude is gonna be in a K-Henge for at least 3 days." k-henge by RENEGATUS DOT COM July 30, 2007 0 0 Get merch Get the k-henge mug. Buy Now — $32.95 See more merch