Top Definition
the chemical found in cough medicidnes; short for dextromethorphan, the active ingredient in robitussin, dayquil, etc. When taken in large quantities, it makes you trip; cough syrup used to robo trip
Man, I tripped balls off that dexo last night!
by emshea April 04, 2010

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(Adj.) Used to describe someone who in your opinion is very cool or crazy.
"Hey, what do you think of Dan?"
"He's completely dexo!"
by gregk May 01, 2005

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