Top Definition
1: Another, more interesting way to write 'laugh out loud' on the internet.

2: To stumble in a goofy manner through an action.
1: QTSuMmErGrL4U: he is so ugly
Babyboi06: your MOM is ugly!
QTSuMmErGrL4U: lolercoaster!


2: "Jeremy totally wasn't ready for his speech. He got up to the podium and lolercoastered through it."
by Mitch D August 23, 2005

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A joke which in which the humor is thought to cease/die down when in actual fact continues to be funny. As if the joke is on a roller coaster going round for a second time.

loler meaning: laugh out loud er

Commonly used in the 'geek' community.
lolercoaster: None. Only in context of a Joke. Can apply to most humorous situations if it fits the criterion of the definition.
by Lord Edward Carr August 04, 2009

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The Funniest roller coaster out there, that jsut so happens to be so funny that you must combine the words rollercoaster and lol to get the meaning across
dude lets ride that loler coaster
by The_JeFF October 16, 2006

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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As in, "lol" (laugh out loud). But laughing so hard you feel as dizzy as you would be on a rollercoaster.
When you're on AIM: haha ohmygosh today was hilar, lolercoasters!
by xxzoowxx July 28, 2010

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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

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A term to mimick people that live in chat servers and say LOLZ after everyword. See rofflecopter.
Chat Server Nerd 1: LOLZ he asked me out rofl
Chat Server Nerd 2: OMG LOLZZZ
You: LOLERCOASTER!!
by Shaina August 09, 2004

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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