A foreshortening or corruption of the phrase I am going to... Heard in everyday conversation many times a day, especially in northeastern cities. Example: Ahmunna get some lunch. Ahmunna go straight home after work. Ahmunna go to the Pirates game Sattidy. Ahmunna start speaking clearly.
AHMUNNA, OMMINNUH
Meaning of AHMUNNA, OMMINNUH in English
Slang English vocab. Английский сленговый словарь. 2012