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.

brain barf by Rod Brock July 24, 2006

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!!

barf brain by Wtfdidijustdo April 27, 2017