CK-1 Share definition Flag a sexually agressive bisexual 'hipster'. (From Robert Lanham's "The Hipster Handbook") There were a couple of CK-1's at the club last night.. totally wanted my bod. CK-1 by DR. DEL ONE January 22, 2008 0 0 Get merch Get the CK-1 mug. Buy Now — $32.95 See more merch