Word Study
punching bag
WORDNET DICTIONARY
Noun punching bag has 2 senses
- punching bag(n = noun.person) Array - a person on whom another person vents their anger; "he resigned because his boss used him as a punching bag" is a kind of victim
- punching bag(n = noun.artifact) punch bag, punchball, punching ball - an inflated ball or bag that is suspended and punched for training in boxing; Array is a kind of ball
For further exploring for "punching bag" in Webster Dictionary Online