Dunk

intransitive verb

1. To plunge into liquid; immerse.
2. To dip (food) into a liquid food, such as a beverage or sauce, prior to eating.

   "dunked the cookie into a glass of milk."

3. To slam (a ball) through the basket from above.
4. To submerge oneself briefly in water.
5. To slam a ball through the basket from above.