(a more advanced version of slay)
exceeding and passing all expectations of accomplishments
YOUR BOOSH ððð
omg i'm so boosh i got a 100 in pre algebra!!
you just booshed something
another way to say you slayed something, to accomplish and excel, it's used for congratulating and/or complementing
Your essay was extremely booshfull, it was constructed beautifully and had many supporting examples.