(AAVE) Eye dialect of fixing to: used to express a desire or future action.
2008, Jodie Miller, Getting Played: African American Girls, Urban Inequality, and Gendered Violence, I'm like, "Well I'm fina catch the bus home," 'cause... my cousin was fina walk down to my auntie house but I wanted to go home.
2011, Charlan M. Johnson, Once Lost... ...Now Found, "I'm fina make some money off yo' ass."
2013, Jody Miller, The Oxford Handbook of Ethnicity, Crime, and Immigration Chapter Case study: African American girls, urban inequality, Then girls come out cryin', sayin' I'm fina go home.
2013, Sami Martin, Kept Quiet: A Story of Family, Sex & Deceit, "I'm fina beat this bitch ass!"