Originating on the Jersey Coast. Means 'very much so', or 'a whole lot'. Used after a description or declarative part of a sentence to add feeling.
Man, that band rocks like mad.

Derek must have worked like mad to get that report done on time.

Man, that run was hard. I'm sweating like mad.

That guy at the model train show was a dork like mad.

by AJtheking October 24, 2005

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Top Definition
A term used as sarcasm and to give someone an attitude when someone is wrong.
Guy: Wanna go out tonight?

Girl: LIKE MAD! *slaps guy in the face*
by 448748 March 09, 2007

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