stitch somebody/something ↔ up phrasal verb ( see also ↑ stitch )
1 . to put stitches in cloth or a wound in order to fasten parts of it together:
She stitched up the cut and left it to heal.
2 . to get a deal or agreement completed satisfactorily so that it cannot be changed:
The deal was stitched up in minutes.
3 . British English informal to deceive someone, especially in order to gain money from them
4 . British English informal to make someone seem guilty of a crime by providing false information SYN frame