1669510 jmdict A [id=2271635]
混ぜっ返す；雑ぜっ返す[rK]
まぜっかえす
[1][v5s,vt]
  to stir well; to mix thoroughly
  [see=1641180・混ぜ返す[1]]
[2][v5s,vt]
  to interrupt (with a joke, sarcastic remark, etc.); to butt in (with a facetious comment); to make fun of (what someone says); to banter; to jeer
  [see=1641180・混ぜ返す[2]]