To verbally attack.
Even though I'm well within my rights to, I'm not about to bash her in this letter.
by LostinGA February 5, 2011
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To masturbate.

The word comes from the phrase "Bash the Bishop" i.e. masturbate. (The Bishop in a game of chess resembles a bell-end.)
I had an epic bash over betty last night. She has some mighty fine ass.
by 1st Earl of Granville February 17, 2009
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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.
"you want to get some weed off Ted tonite", "fuck that shit its bare bash"

"you want a toke on my spliff", "ok as long as dat shit aint bash"

by The Cannabis knowledge Society October 17, 2008
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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.
Verb: 'I'm totally going to bash that new Xbox game I got.'
Noun: 'John hasn't left his computer desk in days- he is such a Warcraft bash.'
by buttons0191 January 15, 2011
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A combination of the words "Bang" and "Smash".
Friend: what are you doing tonight?
Me: Hopefully gonna bash that one chick!
by Tweak578 November 22, 2011
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