verb, to clean

To kill someone.

To completely obliterate someone, either in real life or in online gaming.

If someone were to use this word in a sentence saying that they were clean, it most likely means they are have quit self harm (cutting)

When a person has not been taking drugs or cutting.

When a woman has freshly shaved and cleansed the inside and around the outside of her vagina and butthole

Losing everything

To get knocked the fuck out

A needle used to shoot speed/heroin/etc. that has never been used,