lultrain 

to easily annoy someone on a chatroom or on any Instant messaging or social networking site like Facebook, MySpace, etc. by typing "lul" really fast and pressing the return button on the keyboard. you say "LULTRAIN SUCCESS!" if the person gets easily mad or angry. It is referred to the lultrain because you say "lul" like the form of a train going on and on and on.

you: lluluul
ulluul
lulu
lulu
lululu
lulu
lulu
ulluu
Victim: UGGGGH STOPPPPPP.
You: LULTRAIN SUCCESS!
(more and more and more until your bored)

lultrain by godlynick December 16, 2010

LOLTrain 

A shock site with 4 men in their mid 20's buttfucking each other in a train formation. COmpared to some of the others out there, this shock site isn't that bad.

Troll: Hey man go to loltrain.com.
NOob: Is this another Shock site.
Troll. Nope. I swear on my father's balls.
NOob. ok
Noob: Aww fuck dude at least that wasn;t as bad as eel girl Where does your dad live?
Troll: He's dead you insensitive fag.

LOLTrain by Spanied May 18, 2010

loltrain 

A loltrain is when people, normally on irc or IM say lol one after the other. The minimum amount to be classed as this is 3 lol's.

stevo111: OMG i just saw a flying monkey

NurseJoy: lol
rummik: lol
stevo111: lol

stevo111:^loltrain XD

loltrain by stevo111 November 16, 2007

loltrain 

When someone says something so funny you can't say anything but a series of lols together thus forming the loltrain.

1: Dude did you see Mary's fall?
2: BITCH FELL DOWN 3 FLIGHTS OF STAIRS HAHA
1: (enter loltrain:) LOLOLOLOLOLOLOLOL

loltrain by Caroline Himanen March 13, 2009