An acronym for "In my shitty opinion."
A spin on IMHO intended to be used by people who are scientifically literate and understand the dangers of opinions, no matter how honest the OP may attempt to be.

In my shy opinion.

It is the underpaid, overworked, and often unrecognized U.S. government official who serves as the primary point of contact for the International Military Student undergoing training at U.S. military installations in the United States.