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[on one's back]  {adj. phr.},  {informal}

Making insistent demands of you; being an annoyance or bother.

My wife has been on my back for weeks to fix the front door screen.

* /I can't get any work done with the children on my back from morning until  […]

[on one's bad side] or [on the bad side of one]  {adj. phr.},  {informal}

Not liked by someone; not friendly with a person.

Sally's boyfriend got on Father's bad side by keeping Sally out too late after the dance.

Contrast: [ON ONE'S GOOD SIDE].

[on one's behalf]

See: [ON BEHALF OF].

[on one's chest]  {adj. phr.},  {informal}

Hidden in your thoughts or feelings and bothering you; making you feel worried or upset; that is something you want to talk to someone about.

* /Jane looks unhappy because she has the quarrel with Susan on her  […]

[on one's coattails]  {adv. phr.}

Because of another's merits, success, or popularity.

Bob and Jim are best friends. When Jim was invited to join a fraternity, Bob rode in on his coattails.

* /Many people vote straight for all the candidates in the  […]

[on one's feet]  {adv. phr.}

1. Standing or walking; not sitting or lying down; up.

Before the teacher finished asking the question, George was on his feet ready to answer it.

In a busy gasoline station, the attendant is on his feet all day.

 […]

[on one's good behavior]  {adv. phr.}

Behaving right to make a good impression.

While his father was around the boy was on his good behavior, but when the father left the boy soon got into mischief.

* /The minister is coming to dinner, and Mother  […]

[on one's good side] or [on the good side of one]  {adj. phr.},  {informal}

Friendly with someone; liked by a person.

John thought that he would get a good grade if he got on the good side of the teacher.

* /Successful workers stay on the good side  […]

[on one's hands]  {adv.} or  {adj. phr.}

In your care or responsibility; that you must do something about.

Mrs. Blake left her five children with me while she shopped. I could not get anything done with the children on my hands.

* /After everyone  […]

[on one's head] or [upon one's head]  {adv. phr.}

On one's self.

When the school board fired the superintendent of schools, they brought the anger of the parents upon their heads.

* /Billy had been naughty all day, but he really brought his  […]