Top Definition
There are two uses.

1. "prison" meant as a synonym for "extreme." origin: the graphic violence and man-on-man action in the HBO series "Oz," and any porno set in prison. Prison hot means extremely sexy, good, or appealing.

2. Sarcastic adjective used to describe something that some other pervert thinks is hot but is really disgusting, sick, or lame. (same origin)
1. ("extreme" use)
"That guy is prison hot!" or "That new 50 Cent cd is prison hot!"

2. (sarcastic use)
"I saw this great brazilian dog fuck video today, it was hot."
reply--"Yeah, that's prison hot."
by Lais May 06, 2006

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