A hungover woman bit her fiance’s bicep so deeply he needed hospital treatment.
Michaela Houghton, 25, who was late for work, allegedly punched and bit her partner when he suggested she went to her job at Leyland Taxis.
The security worker had to have a hepatitis C jab and treatment for the wound, Preston magistrates were told.
Houghton, of Westfield Drive, Leyland, denied assault at Preston Magistrates’ Court, saying she bit him in self defence because he was “aggressive”.
The court heard it happened on August 2 when he woke her up.
Prosecuting, Jim Mowbray said: “At about 9.15am he realised he had slept through the alarm and the defendant was late for work.
“He woke her up and told her she should go into work rather than not go in at all. The defendant was reluctant. He showed her a message from a colleague.
“She lost it, started going mad, throwing punches at him and hitting him in the head.”
Giving evidence, the fiance said: “She was grunting and groaning saying she wasn’t getting up. Then I said I’d had a text.
“She turned around and started punching me in the head. I jumped out of bed and started to put my uniform on.
“She grabbed me, dragged me onto the bed. She grabbed my arm, straightened it, and bit me.
“I didn’t realise the extent of the damage until I saw the blood through my shirt.”
Defending, James Ball suggested the man had been “the aggressive one”, and that he “smothered her with a duvet” and punched her, which he denied.
He was previously cautioned for assaulting her.
The court heard Houghton stabbed an ex boyfriend, who subjected her to violence, and also assaulted her mum.