Shoo/ʃuː/ Definition 1 of 2Pro Tip 1/3Urgent Dismissal Use 'shoo' to urgently tell someone or something to leave instantly. Shoo! We're starting the meeting now. Pro Tip 2/3Not Harmful 'Shoo' implies sending away without intent to harm, unlike stronger terms like 'scram' or 'beat it'. Just shoo the cat off the couch, don't scare her. Pro Tip 3/3Often Playful 'Shoo' can be used in a playful or lighthearted manner, unlike more serious commands. Shoo, you little rascal, go play outside!