gotta Share definition Flag 1-Short for "got to", meaning "have to". See have gotta. 2-Short for "Have you got a". I gotta go now.=I have to go now. Gotta ciggie?=Have you got a cigarette? gotta by Fangsta March 17, 2003 0 0 Get merch Get the gotta mug. Buy Now — $32.95 See more merch