Just launched! Learn slang while watching funny vids: urbandictionary.tv
3. Closh
To be struck violently in the head or stomach, or the result of consuming a high number of alcoholic beverages in a short time period.
Terry closhed his friend Cordia upside his noggin because of his Democratic beliefs.

April went to the local pub to enjoy a pitcher of beet and got closhed.
1. Closh
To have sex on school grounds, especially when caught by a security guard.
It was so embarassing when we were caught closhing in the stairwell.
2. Closh
When a couple is so together that they have become one being.
1: Did you see them? They're so closhed.