Wordnet 3.0
NOUN (2)
1.
a person on whom another person vents their anger;
- Example: "he resigned because his boss used him as a punching bag"2.
an inflated ball or bag that is suspended and punched for training in boxing;
[syn: punching bag, punch bag, punching ball, punchball]
WordNet (r) 3.0 (2006):
punching bag
n 1: a person on whom another person vents their anger; "he
resigned because his boss used him as a punching bag"
2: an inflated ball or bag that is suspended and punched for
training in boxing [syn: punching bag, punch bag,
punching ball, punchball]