an acronym which stands for "man-on-man action" typically describing a questionable amount of physical contact between 2 men.
my friend wanted me to go to his wrestling tournament, but i left after the first 15 minutes cause there was just too much MOMA goin on for my taste...
by johnny fresh May 18, 2007
the way a retarded person says "momma" ... pronounced - MOE-ma, with a deep voice and a slur, with a slight southern accent.
by jennifer nasherson December 08, 2008