That's Bush

That thats; unstressed thuhts ; bush boosh means "That is bull $hit." The "bu" is the first two letters from the word "bull" and the "sh" is the first two letters from the word "$hit" Creating the term, "That's bush." Another way of saying "that's b.s."

"He got an "A" even though he cheated on the test. That's bush."
"That's bush, you didn't even know her."