If you tip someone such as a waiter in a restaurant, you give them some money in order to thank them for their services. 给…小费
adjective [原级] 焊接在尖头上的，镶齿的
The boat tipped to one side. 船向一边倾斜。
verb [vt. 及物动词] 使倾斜（tip 的过去分词）；轻拍
She tipped the porter a dollar. 她给了行李工一元的小费。
