man of straw
Definition from Wiktionary, the free dictionary
- A weak person.
- When push came to shove he gave in almost immediately, showing that he was a man of straw after all.
- One who is financially irresponsible.
- A tactic used in debates and arguments where a weaker thesis is substituted for the opponent's real proposition, this thesis then being refuted, thereby creating the illusion of winning the argument against the original proposition.