Definition:
A "two-timer" is a noun that describes a person who is not honest in a romantic relationship. Specifically, it refers to someone who deceives their partner (like a boyfriend or girlfriend) by having a romantic or sexual relationship with someone else at the same time. This behavior is considered dishonest and hurtful.
The term "two-timer" is primarily used in the context of romantic infidelity. However, it can also be used more generally to describe someone who is not honest or is duplicitous in other situations, but this is less common.
While there aren't direct idioms specifically for "two-timer," here are related phrases: - "Playing the field" – This means dating multiple people at the same time without committing to one, which can sometimes lead to being a two-timer. - "To lead someone on" – This means to give someone false hope about a romantic relationship while being involved with another person.
In summary, a "two-timer" is someone who deceives their partner by being unfaithful. It’s a term filled with negative connotations, reflecting dishonesty and betrayal in relationships.