字母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

　　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 Order

　　IOH = I’m Outta Here

　　IOW = In Other Words

　　IRL = In Real Life

　　ISS = I Said So

　　ITM = In The Money

　　IYKWIM = If You Know What I Mean

　　IYSS = If You Say So