- bunch of fives
- a fist used as a weaponLess often it means an open hand used for chastisement:Wright did not hesitate to call his pupils' attention to his 'bunch of fives', a term he was specially fond of using to denote his powerful hand, which might now and again come into palpable contact with a pupil's cheek. (E. M. Wright, 1934, writing about her husband, Joseph, who edited the EDD)
How not to say what you mean: A dictionary of euphemisms. R. W. Holder. 2014.