get something out of one's system
To eliminate some food item or drug from one's body.
John will feel much better once he gets the addictive sleeping pills out of his system.
To free oneself of yearning for something in order to liberate oneself from an unwanted preoccupation.
Ted bought a new cabin cruiser that he'd been wanting for a long time, and he says he is glad that he's finally got it out of his system.
get the lead out of one's pants
To get busy; work faster.
The captain told the sailors to get the lead out of their pants.
The coach told the players to get the lead out of their pants.
give of oneself
To give your time and effort to help others.
You should give of yourself sometimes.
During World War II, Governor Baldwin gave of himself by sweeping the halls of a hospital every afternoon.
give one a piece of one's mind
To scold angrily; say what you really think to (someone).
Mr. Allen gave the other driver a piece of his mind.
The sergeant gave the soldier a piece of his mind for not cleaning his boots.
go out of one's way
To make an extra effort; do more than usual.
Jane went out of her way to be nice to the new girl.
Don did not like Charles, and he went out of his way to say bad things about Charles.
have a mind of one's own
To be independent in one's thinking and judgment.
Tow has always had a mind of his own so there is no use trying to convince him how to vote.
have in the palm of one's hand
To completely control; have a project finished, all wrapped up.
Our boss felt that if he could calm his critics he would soon have the entire factory in the palm of his hand.
have the courage of one's convictions
To be brave enough to act according to your beliefs.
Steve showed that he had the courage of his convictions by refusing to help another student cheat in the exam.
Owen knew that Pete had started the fight, but he was afraid to say so; he did not have the courage of his convictions.