mkaikais Share definition Flag 1;Part of speech, unknown. Often used as a substitute for the word okay or whatever. 2;Part of speech, unknown. Modified version of mkai. 3;Whateva the heck floats yo boat! Jacob says,"I have recently purchased a lama and/or piece of paper." Glenn responds,"Mkaikais." mkaikais by ralph9865 October 28, 2011 0 0 Get merch Get the mkaikais mug. Buy Now — $32.95 See more merch