The 31-year old victim had been enjoying a night out with friends when he was assaulted. The incident occurred in Liverpool city centre last Saturday, Daily Mail reported.
The reveller lost part of both of his ears, upper lip and part of his nose.
Describing CCTV footage of the attack, PC Stuart Moore told Liverpool City Council's licensing committee: "It is horrific, sickening and it is almost barbaric, what takes place."
Merseyside Police said the victim, from the Wavertree area of Liverpool, is still recovering at hospital and is expected to undergo reconstructive surgery.
Meanwhile, a Laurence Richard McGinn, 28, of Sherry Court, Aigburth, Liverpool, was charged with Section 18 wounding and remanded in custody to appear at Liverpool Crown Court November 28.
A 27-year-old man from Toxteth, was also arrested in connection with the assault. Heis on police bail pending further inquiries.
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