barf brain
When the recipient of oral sex is vomited on.
I threw up on my man while giving him head. He got barf brain!!
brain barf
Used to describe the product of foolish reasoning. Differs from bullshit in the sense that it pertains directly to the reasoning process of the one spouting the nonsense; bullshit, on the other hand, may be merely repeated nonsense, heard elsewhere.
His thesis is brain barf - no way is it going to get approved.