Top Definition
When tweeting, this refers to a tweet that is either humorous or interesting that should be seen by the world. The RTtrain is a phrase added to a tweet asking for the tweet to be retweeted multiple times by your followers. The RT Train or RTtrain, is a good way to get a word or phrase to become a trending topic.
Person 1: Wow that last tweet was hilarious.

Person 2: You think so? Hop on the RT Train, let's get this baby trending!
by Cyhsquid77 March 29, 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