When you forget about the existence of something or someone. This happens more often than not when you're high, due to the impact on short-term memory.
Bill: "Hey, did Jack brumshit you the other day?"
Ted: "Yeah, he said to me 'I forgot you even existed.' He totally brumshat me."
A finance-related compromise in which one or more parties reach a "cash clean" agreement on a particular matter. The term was first coined by Rabbi Abraham in the late 1800's.
"Did you sort out that problem at work?"
"Oh yeah, I struck a green deal with my boss."