four flusher
/ˈfɔr ˌflʌʃər/
noun
- A person who pretends to be something they are not; a fraud or bluffer.
- Don't trust that salesman; he's a four-flusher who promises things he can't deliver.
- Everyone in town knew he was a four-flusher, always bragging about money he didn't have.
- The politician was exposed as a four-flusher who had lied about his military record.