IBT                   In Between Technology
IBTD                  I Beg To Differ
IC                    In Character
IDGAF                 I Don't Give A F***
IDGI                  I Don't Get It
IDK                   I Don't Know
IDKY                  I Don't Know You
IDST                  I Didn't Say That
IDTS                  I Don't Think So
IFAB                  I Found A Bug
IFU                   I F***ed Up
IGGP                  I Gotta Go Pee
IIIO                  Intel Inside, Idiot Outside
IIMAD                 If It Makes An(y) Difference
IIRC                  If I Remember Correctly
IIWM                  If It Were Me
ILICISCOMK            I Laughed, I Cried, I Spat/Spilt Coffee/Crumbs/Coke
                      On My Keyboard
ILY                   I Love You
IMHO                  In My Humble Opinion
IMNSHO                In My Not So Humble Opinion
IMO                   In My Opinion
INMP                  It's Not My Problem
INPO                  In No Particular Orderjoozone.com