write one's own ticket
Set one's own conditions or course of action according to one's wishes or needs. For example, This generous grant lets recipients write their own tickets. This term uses ticket in the sense of "something entitling the holder to a privilege." [Colloquial; 1920s]
| a stew of meat, vegetables, potatoes, etc. |
| a scrap or morsel of food left at a meal. |
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