stir up
• cause or provoke trouble or bad feeling.
• "he accused me of trying to stir up trouble"
Similar:
whip up,
work up,
foment,
fan the flames of,
trigger,
spark off,
excite,
provoke,
instigate,
incite,
cause,
precipitate,
produce,
generate,
give rise to,
• disturb particles in water or air.
• "cloudiness is caused by the fish stirring up mud"