Howz = How is
HTH = Hope This (That) Helps
HUA = Heads Up Ace
HUYA = Head Up You’re a
I:
IAC = In Any Case
IAE = In Any Event
IANAC = I Am Not A Crook
IANAL = I Am Not A Lawyer

IBT = In Between Technology
IBTD = I Beg To Differ
IC = I See/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 Fed Up
IGGP = I Gotta Go Pee
IIIO = Intel Inside, Idiot Outside
IIMAD = If It Makes An(y) Difference