push someone's buttons

Verb

 * 1)  To do specific things to anger someone (or, less commonly, to sexually arouse or otherwise elicit a strong reaction from them), especially intentionally or maliciously.

Usage notes

 * Particularly used of actions that affect the recipient but not other people, such as bringing up a particular upsetting topic or performing an irritating activity.

Translations

 * French:
 * Spanish: buscarle las cosquillas