English Acronym

ATMO	According To My Opinion
GASSED	Have a high opinion of yourself
IANAL	I Am Not A Lawyer (this is an uninformed opinion)
IMAHO	In My Absolutely Honest Opinion
IMBO	In My Biased Opinion
IMCO	In My Considered Opinion
IMEO	In My Educated Opinion
IMHO	In My Humble Opinion
IMMAO	In My Most Arrogant Opinion
IMNSHO	In My Not So Humble Opinion
IMO	In My Opinion
IMOO	In My Own Opinion
IMPO	In My Personal Opinion
IYO	In Your Opinion
JMHO	Just My Humble Opinion
JMO	Just My Opinion
MHO	My Honest Opinion
MOO	Matter of Opinion My Own Opinion
MPO	My Personal Opinion
NMO	Not My Opinion
TINALO	This Is Not A Legal Opinion

sumber : http://www.internetslang.com/IMAO-meaning-definition.asp