IMAO Views 13 meanings found IMAO is internet slang for expressions like 'in my arrogant opinion' or 'in my amazing opinion', and it is also used humorously for fictional groups such as the International Monkey Assassination Organization. Miscellaneous International Monkey Assassination Organization In My Awesome Opinion In My Anal Opinion Community In My Armed Opinion Governmental Internet Masking Actual Operation Institute of Municipal Assessors of Ontario Internet In My Amazing Opionin In My Arrogant Opinion I Am Also One I Missed An Opportunity Business International Maritime Arbitration Organisation Sports Independent Martial Arts Organisation International Martial Arts Organization