Police in Palm Bay, Florida, say a lovers' spat ended with a man biting off his girlfriend's thumb and spitting it out on the floorboard of his car.

Ricardo Marquis Davis reportedly admitted to severing his unidentified girlfriend's thumb with his teeth after she pushed his head during a "verbal argument."

Davis, 35, was driving his significant other to her job at Taco Bell when an altercation erupted over an undisclosed topic. "She kind of pushed his head, and he responded by biting [her thumb]," Palm Bay police spokeswoman Yvonne Martinez told Florida Today.

The woman managed to get to a hospital, but doctors were unable to reattach the digit. While being treated, the victim was heard saying "I can't believe he bit my finger off."

Davis was arrested an booked on a charge of aggravated battery. He is due to undergo a mental health evaluation.

[mug shot via Florida Today]