TextGuide: ALL

I 1-D-R: I wonder
I2: I too
I&I: Intercourse & inebriation
I <3 U: I love you
IA8: I already ate
IAAA: I am an accountant
IAAD: I am a doctor
IAAL: I am a lawyer
IAC: In any case
IAE: In any event
IAGTKOM: I ain't got that kind of money
IANAC: I am not a crook
IANADBIPOOTV: I am not a doctor but I play one on TV
IANAE: I am not an expert
IANAL: I am not a lawyer
IANNNGC: I am not nurturing the next generation of casualties
IAO: I am out
IASAP4U: I always say a prayer for you
IAT: I am tired
IAW: I agree with -or- in accordance with
IAYM: I am your master
IB: I'm back
IBGYBG: I'll be gone, you'll be gone
IBIWISI: I'll believe it when I see it
IBK: Idiot behind keyboard
IBRB: I'll be right back
IBT: In between technology
IBTC: Itty bitty titty committee
IBTD: I beg to differ
IC: I see
ICAM: I couldn't agree more
ICBW: I could be wrong -or- it could be worse
ICBWICBM: It could be worse, it could be me
ICEDI: I can't even discuss it
ICFILWU: I could fall in love with you
ICW: I can't wait
ICYC: In case you're curious -or- in case you care
ICYMI: In case you missed it
ID10T: Idiot
IDBI: I don't believe it
IDC: I don't care
IDGAD: I don't give a damn
IDGAF: I don't give a f***
IDGARA: I don't give a rats ass
IDGI: I don't get it
IDK: I don't know
IDKY: I don't know you
I-D-L: Ideal
IDM: It doesn't matter
IDRK: I don't really know
IDST: I didn't say that
IDTA: I did that already
IDTS: I don't think so
IDUNNO: I don't know
IF/IB: In the front -or- in the back
IFAB: I found a bug
IFU: I f***ed up
IFYP: I feel your pain
IG2R: I got to run
IGGP: I gotta go pee
IGHT: I got high tonight
IGN: I've got nothing
IGP: I gotta pee
IGTP: I get the point
IGWS: It goes without saying
IGYHTBT: I guess you had to be there
IH8IT: I hate it
IHA: I hate acronyms
IHAIM: I have another instant message
IHNI: I have no idea
IHNO: I have no opinion
IHTFP: I have truly found paradise -or- I hate this f***ing place
IHU: I hear you
IIABDFI: If it ain't broke, don't fix it
IIIO: Intel inside, idiot outside
IIMAD: If it makes any difference
IINM: If I'm not mistaken
IIR: If I remember -or- if I recall
IIRC: If I remember correctly -or- if I recall correctly
IIT: Is it tight
IITLYTO: If it's too loud you're too old
IITM: It's in the mail
IITYWIMWYBMAD: If I tell you what it means will you buy me a drink
IITYWYBMAD: If I tell you will you buy me a drink
IIWM: If it were me
IJPMP: I just pissed my pants
IJS: I'm just saying
IJWTK: I just want to know
IJWTS: I just want to say
IK: I know
IKALOPLT: I know a lot of people like that
IKR: I know, right
IKWYM: I know what you mean
IKYABWAI: I know you are but what am I
ILA: I love acronyms
ILBL8: I'll be late
ILICISCOMK: I laughed, I cried, I spit coffee/coke on my keyboard
ILMJ: I love my job
ILU: I love you
ILUAAF: I love you as a friend
ILUM: I love you man
ILY: I love you
IM: Instant message
IM2BZ2P: I'm too busy to pee
IMA: I might add
IMAO: In my arrogant opinion
IMCO: In my considered opinion
IME: In my experience
IMGC: I might get caught
IMHO: In my humble opinion
IMJS: I'm just saying
IMNSHO: In my not so humble opinion
IMO: In my opinion
IMOO: In my own opinion
IMPOV: In my point of view
IMR: I mean really
IMRU: I am, are you
IMS: I am sorry
IMSB: I am so bored
IMTM: I am the man
IMU: I miss you
INAL: I'm not a lawyer
INBD: It's no big deal
INMP: It's not my problem
INNW: If not now, when
INPO: In no particular order
INUCOSM: It's no use crying over spilt milk
IOH: I'm outta here
IOMH: In over my head
IONO: I don't know
IOU: I owe you
IOUD: Inside, outside, upside down
IOW: In other words
IPN: I'm posting naked
IRL: In real life
IRMC: I rest my case
IRT: In regards to
ISAGN: I see a great need
ISH: Insert sarcasm here
ISLY: I still love you
ISO: In search of
ISS: I said so -or- I'm so sure
ISSYGTI: I'm so sure you get the idea
ISTM: It seems to me
ISTR: I seem to remember
ISWC: If stupid were a crime
ISWYM: I see what you mean
ISYALS: I'll send you a letter soon
ITA: I totally agree
ITFA: In the final analysis
ITIGBS: I think I'm going to be sick
ITM: In the money
ITMA: It's that man again
ITS: Intense text sex
ITSFWI: If the shoe fits wear it
ITYK: I thought you knew
IUKWIM: If you know what I mean
IUKWIMAITUD: If you know what I mean and I think you do
IUM: If you must
IUSS: If you say so
IWALU: I will always love you
IWAWO: I want a way out
IWBAPTAKYAIYSTA: I will buy a plane ticket and kick your ass if you say that again
IWBNI: It would be nice if
IWFU: I wanna f*** you
IWIAM: Idiot wrapped in a moron
IWIWU: I wish I was you
IWSN: I want sex now
IYD: In your dreams
IYDMMA: If you don't mind my asking
IYFD: In your f***ing dreams
IYFEG: Insert your favorite ethnic group
IYKWIM: If you know what I mean
IYKWIMAITYD: If you know what I mean and I think you do
IYO: In your opinion
IYQ: I like you
IYSS: If you say so
IYSWIM: If you see what I mean