the fat face. mostly used in texting. can describe many things, just use for any "fat" purpose.

its just a smiley:

:I

=I

:-I
=-I !!!!!!

like a fat d00d with huge cheeks (maybe)

General annoyance/irritation.
Can also be used with a wink ( ;I ) to indicate sarcasm.
Also to be noted is that the I (capital eye) can also be replaces with an l (lowercase ell.)

(Not to be confused with :i, which means "Lets have a smoke," "brb, gonna smoke," or similar.

chubby smiley that shows you're pretty chuffed, or happy, with yourself, or something

rastafarian denomination for "I" or "me" or "mine"
it means I and my higher consciousness, namely jah rastafari.

Used in the rastafarian religion in place of "you and me" to show that all people are equal under Jah.

Trump’s self-reported favorite Biblical verse from the Old Testament, as stated in a 2016 WHAM radio interview, uniquely spelled this way to reflect his worldview.