gonna/ɡən.ə/EtymologyContraction of going to. Attested since 1913 (OED, "gonna"). The pronunciation of present participles with the sound n rather than ng has a long history (see g-dropping on Wikipedia).gonna means A modal used to express a future action that is being planned or prepared for in the present. Lexicurio rates it Rare gem — a strength score of 76 out of 100.verbA modal used to express a future action that is being planned or prepared for in the present.“I'm gonna hafta find a new job soon.”