The idiom "love rat" refers to someone who has a romantic relationship while also being romantically involved with someone else. It suggests that the person is not faithful or committed to their current partner, as they are juggling multiple romantic relationships simultaneously.

The idiom "in deep water" means to be in a difficult or dangerous situation that requires expertise or specialized knowledge to navigate effectively. It can also mean being overwhelmed or stuck in a problem that seems insurmountable.

"A drowning man will clutch at a straw" is an idiom that means a person who is in a dire situation and feels like they are on the brink of failure or collapse will desperately cling to any small hope, opportunity, or resource that may help them survive.

The idiom "topsy-turvy" refers to a state of confusion, disorder, or chaos. It can also mean that something is upside down or disrupted. In its figurative sense, the phrase is used to describe a situation where everything seems to be out of place or completely unpredictable.

The idiom "live on the edge" means living life to the fullest, taking risks, and embracing danger or uncertainty. It suggests that a person is not afraid of failure or harm and is willing to take chances to achieve their goals.