Abbreviation of In My Not So Mother
Fucking Honest
Opinion. It is a variation on IMHO (In My Honest
Opinion), used in situations where you want to be sarcastic.
You see a stick figure anorexic
bitch walking down the road. Taking a picture with your mobile you send it along with this message to your
mate Stephen:
"Damn, Check out this girl with sum fat titties, IMNSMFHO! LOL!"