Top Definition
To describe something partcularly good, heavy dyno(dynamite).
Both words can be used independantly of each other like "that was a heavy good time" or "that pot noodle was dyno".
1. That tracksuit is heavy dyno.

2. Friday night boozin' in Pollokpark was heavy dyno.
by biggest_female_boss November 20, 2011

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