All you need to do is sign up for a Twitter account (if you don't have one already), and then include the words 'rofl at' in your update:
Rofl at guys who pretend to be a girl on the internet
This site then grabs the latest updates and loops through them on this page.
Rofl at the random Bieber fans tweeting me. GTFO. -- jadusyo #10269803608
@jalmelb ROFL at deciding between spending $130 for Massive Attack or watching the epic fail of the A-League....its a lose-lose situation!!! -- garrrrrrrrrrrry #10269764735
@MissThally Rofl at "Gast, we hebben allemaal raar gedroomd" xD Wtf, hoezo ze hebben een aandachtsspanne van 3 seconden:p -- JillJesmiatka #10268458571
is rofl...at Lindsay thinking she has reached "first name only needed" status lol -- Azuwish2009 #10266741456
@trupzi ROFL at finger massage :PPPPPPPPP im only up to part 6. -- Priya_loves_VO #10266251859
RT @energywen: Dude's thigh = Taeyeon's waist DDD: http://bit.ly/9keCUe rofl at Taeng trying to suck in her breath -- iylinot #10265557515
ROFL at the show the hungry beast and taking the shit out on chat roulette hahahahahha FUNNY! -- GeorgiandCodie #10265120430
@ana_mcr4life @gagamonster @barbs_shakur ROFL! at least it does on songs :) -- XposedMonster #10264474167
rofl at my formspring q's. hahahaha -- sallykatebarker #10263621083
@Paulinreallife ROFL at taking les' tv away from him :P -- Aimehhh #10262478855
Dude's thigh = Taeyeon's waist DDD: http://bit.ly/9keCUe rofl at Taeng trying to suck in her breath -- energywen #10261856538
Mannnnn they need to put these classic 90's cartoons on dvd,, cuz I wuld DEF. be in my room rofl at Angry Beavers and Rugrats hahah #NoLie -- Simply_BeauTful #10260938707
6th grade sister just added me on facebook. fucking rofl at the guys on her friends list. -- JosephGouveia #10260608781
@wtfdoren ROFL AT FLAPPY! -- Sarahlnsanity #10260512914
ROFL at latest xkcd http://xkcd.com/712/ http://plurk.com/p/43nxs3 -- mikeyu82 #10260186479