: Their meeting sparks an uncontrollable, self-destructive passion. The film explores themes of mid-life crisis, the physical toll of combat sports, and the "animal" instincts that drive people toward obsession, often at the cost of their personal lives.
It may also be a misremembered line from poetry, hip-hop lyrics, or underground comics. A quick search suggests no major published work bears this exact title, reinforcing the likelihood it is a user-generated filename. tigerbloodinthemouth20161080pnfwebdld work