go dutch To split the cost of something (usually a meal or date) so each person pays their own share.
go for the jugular To attack or criticize in the most direct, aggressive way, aiming for a decisive blow.
go out of your way To make a special effort or take extra trouble to do something, often to help someone or achieve a goal.
go out on a limb To take a risk by making a bold claim or decision without full support or certainty.
go straight To stop committing crimes (or other bad habits) and start living an honest, law-abiding life.
go the extra mile To make an additional effort beyond what is expected or required, often to help someone or achieve better results.
go the whole hog To do something as completely as possible; commit fully and do it without holding back.
go the whole nine yards To do something completely and thoroughly; to use maximum effort or include everything possible.
go through the motions To do something mechanically or routinely without real effort, interest, or sincerity.
go to bat for someone To support, defend, or advocate for someone, especially when they need help or face criticism.
go to pieces To lose emotional control or stop functioning properly, especially under stress; to break down mentally or physically.
go under the knife To have surgery; to undergo an operation, especially a medical procedure involving cutting.
go up in smoke To be destroyed suddenly, fail completely, or disappear (often plans, money, or hopes), as if burning away.
go with the flow To accept things as they happen and adapt easily, rather than resisting or trying to control every detail.
good things come to those who wait Being patient is rewarded; waiting calmly can lead to positive outcomes.
grasp at straws To try any desperate, unlikely option to solve a problem or avoid failure when there are no good choices left.
gravy train An easy, lucrative situation or job that provides steady benefits with little effort, often seen as unfair or undeserved.
grease the wheels To make a process run more smoothly by providing help, incentives, or preparation (sometimes implying bribery).
grey area A situation that is unclear or not clearly covered by rules, making it hard to judge as right/wrong or legal/illegal.
ground to a halt To slow down and then stop completely, often because of a problem, delay, or lack of progress.
hair of the dog Alcohol taken to cure a hangover—often meaning “drink more” to feel better after drinking.
hand in glove To be in very close cooperation or association, often implying seamless coordination or collusion with someone.
hand over fist Very quickly and in large amounts, especially referring to making or losing money rapidly.
hang by a thread To be in a very dangerous or uncertain situation, close to failing, ending, or collapsing.
hang on by a thread To be in a very fragile or critical state, where failure or collapse could happen at any moment.
have a bone to pick To have a complaint or grievance you want to discuss or argue about with someone.
have a change of heart To change your mind or attitude, often becoming more sympathetic or deciding differently.
have a chip on your shoulder To feel resentful or defensive because of a perceived past insult or unfair treatment.