YAMO noun2 •(disapproving) An intermicronational organisation that is useless, unnecessary or deficient in some aspect; used to insult, or convey disapproval of, an intermicronational organisation.We are not attempting to create a YAMO or inter-micronational organization, nor are we in anyway^([sic]) trying to compete with micro-nations.org. — 2002 •(disapproving, rare) Any intermicronational organisation.Hey, what's so special on this YAMO that made you all join? — 2010 formsYAMOs