English shortenings & abbreviations

Shortenings and abbreviations are widely used in English. They help to simplify the language and save our time. But at the same time if you don't catch the right meaning, you have got some difficulties with communication. So let's focus on English shortenings and abbreviations today.
An abbreviation (from Latin brevis, meaning short) is a shortened form of a word or phrase. It consists of a group of letters taken from the word or phrase. For example, the word abbreviation can itself be represented by the abbreviation abbr., abbrv. or abbrev (the information was taken from Wikipedia)
 The first abbreviations were taken from Latin:
e.g. - for example (Latin exampli gratia)
a.m.- in the morning (ante meridiem)
p.m.-in the afternoon (post meridiem)
i.e.-that is (id est)
etc - and other things (et cetera)
The first list of abbreviations "Modus Legendi Abbreviature" was created in 1475. It consisted of 38 (!) pages. We can find 'gle - general' there.
In 1641 an abbreviation 'cit -citizen' appeared. In 1660 'miss-mistress' appeared.
In 1837 Charles Dickens used  the abbreviations P.V.P. - Perpetual Vice- President, M.P.C.- Member Pickwick Club, G.C. - General Chairman in his "Posthumous Papers of  the Pickwick Club".
O.K.- okey (Oll Korrect, a jokey misspelling "All Correct") and N.Y.- New York , co-ed -cooperative education, gym - gymnasium, fan -fanatic. 
But the most used abbreviations have appeared  in 1991 due to the World Wide Web. We use a lot of shortenings and abbreviations while chatting on-line or texting. It's so called DIGISPEAK.
 And here is the list of these abbreviations:

Shortening	Meaning
AFAIK	As far as I know
ADR	Address
AFAIC	As far as I’m concerned
AFK	Away from keyboard
A/S/L	Age/sex/location
ATM	At the moment
AWGTHTGTTA	Are we going to have to go through this again
AYT	Are you there
BBL	Be back later
BD	Big deal
BF	Best friend/boyfriend
BFN	Bye for now
BRB	Be right back
BTDT	Been there, done that
BTW	By the way
BZ	Busy
CUL	See you later
CYO	See you on-line
DETI	Don’t even think it
DIKY	Do I know you?
DQMOT	Don’t quote me on this
EBCAK	Error between chair and keyboard.
EBKAC	Error between keyboard and chair.
F2F	Face to face
FOAF	Friend of a friend
FWIW	For what it’s worth
FYI	For your information
GAL	Get a life
GF	Girlfriend
GD&R	Grinning, ducking and running
GMTA	Great minds think alike
HB	Hurry back
HHOK	Ha,ha, only kidding
IANAL I	I am not a lawyer
IAW	In accordance with
IMCO	In my considered opinion
IMHO	In my humble opinion
IMO	In my opinion
IOW	In other words
JK	Just kidding
JAS	Just a second
JOOTT	Just one of those things
KISS	Keep it simple, stupid
KIT	Keep in touch
OK	Okey
LMAO	Laughing my ass off
LOL	Laughing out loud/lots of love/lots of luck
LYLAS	Love you like a sister
MYOB	Mind your own business
MWA	Kiss (the sound of ‘mwa’)
N2M	Not too much
NIH	Not invented here
NM	Never mind
OIC	Oh, I see
OAO	Over and out
OTOH	On the other hand
OTP	On the phone
PAL	Parents are listening
PEBCAK	Problem exists between chair and keyboard.
PEBKAC	Problem exists between keyboard and chair
PIR	Parents in room
PLBCAK	Problem lies between chair and keyboard
PLBKAC	Problem lies between keyboard and chair
PMJI	Pardon my jumping in
PTG&LI	Playing the game and loving it
RL	Real life
ROFL	Rolling on the floor laughing
STFU	Shut the f***up!
SUP	What’s up?
TANSTAAFL	There ain't no such thing as a free lunch
TIA	Thanks in advance
TTFN	Ta,ta for now(=goodbye)
TTT	Thought that too
TTYL	Talk to you later
TU	Thank you
TY	Thank you
WFM	Works for me
YT	You there?
YW	You’re welcome

We also use many shortenings in spoken English. They are:
sis – sister

doc – doctor
telly – television
phone – telephone
plane – airplane
vator – elevator
zine – magazine
specs – spectacles
fridge – refrigeration
flu – influenza
comfy – comfortable
imposs – impossible
mizzy — miserable

I also remember the abbreviation DUFF proposed by a famous young writer Kody Keplinger 

As you can see people have invented a new language and they understand one another pretty good

I hope so:) 

Ok, BFN, CUL;)

PS: If you know another abbreviations, please write them in  comments.It'll be nice to learn something new.