Top definition
a moron or idiot; a goof, tool, ass clown; botard; asstard
The guy is such a momo that Id like to beat him like left-handed, red-headed stepchild.
by weave March 27, 2003
Happy St. Patties Day!
one half moron, one half homosexual

MO(ron) (ho)MO
damn hes such a fuckin MOMO!
by the greatest July 16, 2004
Happy St. Patties Day!