Bash is a shortened version of the phrase bashed weed. Bashed weed or "bash" refers to herbal cannabis that has been sprayed with substance to make it weigh more.

bash is a type of herbal canabis that users dislike as the sprayed on substance can make the canabis taste and smoke worse. It is hard to tell what the long term negitive effects of smoking "bash" are as there have been no scientific tests however users of "bash" have complained it can cause irritation to the lungs and throat.

To have sex with someone

A slang term used to describe someone who looks balling or on point. *Bomb as hell*

to masturbate furiously.

verb. to wank, or masturbate.
UK slang made famous by Nappa.

To repetitively do something until it is no longer fun. Can refer to any hobby, though often gaming. Can also refer to listening to a song so much that you get tired of it.

v. To bash.
The act of submitting one or more lines from an IRC conversation to the bash.org database.