Top Definition
Someone who will win 1st in every 100meter race(e.g. Usain Bolt).

A very fast person.
Maddi:Did u know Jonathan went undefeated in the 100!?
Jazmin:No wow what a speedster!

Anthony:Usain Bolt just beat the world record!
Rashad:Yup he's a speedster.
by SixPackjonny August 05, 2010

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People whom need to build up their confidence with the help of speeding machines, due to their small penises.
Asian speedsters are often seen small stature.
by Peevee August 10, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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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