Tush/tʊʃ/ Definition 1 of 3Pro Tip 1/2Quiet Disapproval Expresses mild annoyance or demand for silence without being rude. Tush, there's no need to argue over such a small issue. Pro Tip 2/2Colloquial Signal Primarily used in informal settings among friends or family. Tush, let's not bring politics into our dinner conversation.