Mr Nice Guy
noun/ˌmɪstə ˈnaɪs ɡaɪ/
/ˌmɪstər ˈnaɪs ɡaɪ/
(informal)- a way of describing a man who is very honest and thinks about the wishes and feelings of other people
- I was tired of helping other people. From now on it was no more Mr Nice Guy (= I would stop being pleasant and kind).
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Mr Nice Guy