Gunna

"Strange isn't it. By the schedule around now we should have all witnessed an UFO, and united in researching." "From 'witnessed' it's never gunna happen."

Source: tatoeba (326674)

1915, George Bronson-Howard, God’s Man, The Bobbs-Merrill Company, page 132, “Oh, yes, I can,” answered Pink, “you’re gunna try to make me think you’re stuck on Beau. What you’re gunna give him you was [sic] saving for me. See? I’m jerry.” And he laughed at her encrimsoned face.

Source: wiktionary

a. 1972, J. R. Simplot, quoted in Neal R. Peirce, The Mountain States of America: People, Politics, and Power in the Eight Rocky Mountain States, W. W. Norton & Company (1972), →ISBN, page 134, We have the products here, the raw materials, the know-how to do it. That’s simple, and we’re gunna do it.

Source: wiktionary

2007, Mallory Dunn, The Letters, Xlibris Corporation, →ISBN, page 14, “Always, Drake. No police officer will ever hold you down.” Myrick looked around. “Man, I hate hospitals. Let’s get out of here. I’m gunna go sign that paper work.” [sic] Myrick turned towards the door as he escaped the pressing moment with his son.

Source: wiktionary