biff
n. countable C2 Proficiency US //ˈbɪf// UK //bˈɪf// biff Informal Slang
n. a strong hit or a punch. It is a very casual word used mostly in British English to describe a physical blow.
n. a forceful blow or punch. Primarily British in register and informal in tone; often used in the context of sports or physical altercations.
He gave the ball a good biff with his bat.
The player took a heavy biff to the shoulder during the final minutes of the match.
The boxer's heavy biff to the jaw ended the contest in the third round, leaving the crowd in stunned silence as the challenger collapsed to the mat.
Onomatopoeic.