bootlace Share definition Flag (v. transitive) The act of ejaculating on a person, tube sock, or other object. Damn, holmes, DFA hit that bitch with the hacksaw and bootlaced his initials all over her back. bootlace by ___TC___ September 8, 2006 0 0 Get merch Get the bootlace mug. Buy Now — $32.95 See more merch