What does "lmao" and "rolf" means? Meanings of LOL, Lmao and etc..

What does "lmao" and "rolf" means? | List of meanings like LOFL, PML, ROLF, QL and so on

: :-D	Laughing / Big Smile
: L : ASL : AFAIK : AFK	Laughing Age Sex Location As Far As I Know Away From KeyBoard
: ALOL	Actually Laughing Out Loud
: BAGL : BRB : BBL : B2B : BOL	Bust A Gut Laughing Be Right Back Be Back Later Business to Business Busts Out Laughing
: CBLTH	Can't Breathe Laughing Too Hard
: CREASING	Laughing
: CSL	Can't stop laughing
: DOFL : FDLMAO : FDL	Dying On Floor Laughing Falls Down Laughing My @$$ Off Falls Down Laughing
: FOCL	Falling Off Chair Laughing
: FOFL	Falling On Floor Laughing
: FOMCL	Falling Off My Chair Laughing
: HAFL : H8	Heart Attack From Laughing Hate
: IAL : IMHO : IMO : ITT	I Ain't Laughing / I Actually Laughed In My Humble Option In My Option In This Thread
: ICSL	I Couldn't/Can't Stop Laughing
: KML	Killing Myself Laughing
: KMSL	Killing Myself Laughing
: L2MS	Laughing To Myself
: LAL	Laughing A Lot/Little
: LALB	Laughing A Little Bit
: LATM	Laughing At The Moment
: LAU	Laughing At You
: LBMO	Laughing My Butt Off
: LBS	Laughing But Serious / Pounds (weight)
: LBVS	Laughing But Very Serious
: LHAO	Laughing His/Her Ass Off
: LHH	Laughing Hella Hard
: LI	Laughing Inside
: LIMB	Laughing In My Brain
: LIMH	Laughing In My Head
: LIMM	Laughing In My Mind
: LIRL	Laughing In Real Life
: LIS	Laughing In Silence
: LLAB	Laughing Like A Bitch
: LLAMF	Laughing Like A Mother F***er
: LLF	Laughing Like F***
: LLH	Laughing Like Hell
: LLS	Laughing Like S**t
: LMBAO	Laughing My Black Ass Off
: LMBO	Laughing My Butt Off
: LMCO	Laughing My Cats Off
: LMFAO	Laughing My F***ing Ass Off
: LMFO	Laughing My Face Off
: LMHO	Laughing My Head Off
: LMPO	Laughing My Pants Off
: LMSO	Laughing My Socks Off
: LMTO	Laughing My Tits Off
: LOFL	Laughing Out F***ing Loud
: LOI	Laughing On the Inside
: LOL	Laughing Out Loud / Laughing Out Loud
: LOLING	The act of laughing out loud
: LOLOL	Lots Of Laughing Out Loud
: LOMA	Laughing Out My Ass
: LOOL	Laughing Outlandishly Out Loud
: LOTI	Laughing On The Inside
: LOVL	Laughing Out Very Loud
: LQI	Laughing Quietly Inside
: LQL	Laughing Quite Loudly
: LQTM	Laughing Quietly To Myself
: LQTMS	Laughing Quietly To Myself
: LQTY	Laughing Quietly To Yourself
: LRL	Laughing Really Loud
: LSFH	Laughing So F***ing Hard
: LSH	Laughing So Hard
: LSHIC	Laughing So Hard I'm Crying
: LSHIDMT	Laughing So Hard I Drop My Taco
: LSHMBH	Laughing So Hard My Belly Hurts
: LSMIH	Laughing So Much It Hurts
: LSTM	Laughing Silently To Myself
: LTM	Laughing To Myself
: LTMQ	Laughing To Myself Quietly
: LTMS	Laughing To Myself
: LWP	Laughing With Passion
: LYAO	Laughing Your Ass Off
: NLM	No Laughing Matter
: NOZ : OMG : OMFG	Nitrous oxide (laughing gas) Oh My Gosh Oh My F* Gosh
: OTFL	On The Floor Laughing
: PIMPL	Pee In My Pants Laughing
: PIMPLE	Pissing In My Pants Laughing Ecstatically Small spot
: PML	Pissing Myself Laughing
: PMPL	Peeing My Pants Laughing
: PMSL	Pissing myself laughing
: PSML	Pissing Myself Laughing
: QL	Cool / Quietly Laughing
: RAWL	Roll Around While Laughing
: ROFFL	Rolling On F***ing Floor Laughing
: ROFL	Rolling On Floor Laughing
: ROFLMAO	Rolling On Floor, Laughing My Ass Off
: ROFLMBO	Rolling On the Floor Laughing My Butt Off
: ROFLOL	Rolling On Floor, Laughing Out Loud
: ROLF	Rolling On Laughing Floor
: ROTF	Rolling On The Floor (laughing is implied)
: ROTFL	Rolling On The Floor Laughing
: ROTFLMAO	Rolling On The Floor Laughing My Ass Off
: ROTFLMFAO	Rolling On The Floor Laughing My F***ing Ass Off
: ROTFLOL	Rolling On The Floor Laughing Out Loud
: ROTGL : RTFM	Rolling On The Ground Laughing Read The F* Manual
: SLOL	Seriously Laughing Out Loud
: SMHL	Shaking My Head Laughing
: TLOL : TMI	Truly Laughing Out Loud Too Much Info
: TOL : TTYL : TTFN : TFN : </3	Thinking Out Loud / Thinking Of Laughing Talk To You Later Ta Ta For Now Till Further Notice Love (heart)