Abbreviation for “On My Mama”. When saying it aggressively or adding “On God” to it means your supposed on believe whatever the other person is saying when in fact , 98% of the time THEY BE LYIN!
“Man , OMM ima pay you soon as my deposit hit! “
Then added “ON GOD” to make her lie more believable.
Then added “ON GOD” to make her lie more believable.
by Throat Goat 3000 September 17, 2020