a Wairarapan (province of New Zealand's North Island) term for Prostitute. Often used as code talk when talking about sexual liaisons with aforementioned 'working girls' especially when in front of one's girl-friends/female friends.

I feel like rostying(v) it up this weekend

Thai Rosties are often defined as having silky smooth skin
by Porn King November 20, 2007

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Top Definition
Hottest guy that you will ever meet.
I saw Rosty!! He is so hot!! I want Rosty.
by SMEXXXI GIRL September 25, 2010

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