1 definition by godlynick

Top Definition
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)
by godlynick December 14, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt