Chuck Nasty 

The process of cumming into your hand and slapping your sexual partner on the face or butt.

I was banging this chick and came in my hand. I didn't know what to do with it, so I gave her the Chuck Nasty.

Chuck Nasty by ChuckNasty_420_69 June 11, 2019

Chunk-Nasty 

The act of pointing your index finger at a specific point. The person who receives it on the other end tends to look down and as he looks at what you are pointing at you shall slowly lift up your middle finger as they are lifting their head up.

Ohh damn you just got hit with a Chunk-Nasty

Chunk-Nasty by Chunk Nasty GOD July 8, 2021

Chucknasty 

Chucknasty is an adjective coined by one Mr. Chuckran, a high school physics teacher. It is used to describe extreme or ideal conditions, such as when there is zero gravity, no friction, or amusement park rides that can go extremely fast. At Chucknasty's Amusement Park, rides are designed to work so that the occupant, usually {Souza}, will be harmned.

Chucknasty is also the name of a super hero who has the power to make situations ideal.

In a chucknasty world, Newton's cradle would be able to go on indefinently.

Chucknasty by Chuckran's Student May 30, 2009