English definition of “stir sth up”
stir sth up — Phrasal Verb with stir
/stɜːr/ verb (present participle stirring, past tense and past participle stirred)
ARGUE › to cause arguments or bad feelings between people, often intentionally: I think she just likes to stir up trouble.
REMEMBER › If something stirs up memories, it makes you remember events in the past: The photographs stirred up some painful memories.