Top Definition
Quickly; speedily; rapidly.
23yrold3yrold is a name that is difficult to type fastly.
by Voice of Tango December 18, 2003

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To move with grate freaking hast!
That robber is moving fastly.
by broke artist April 20, 2011

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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