"Drena" is the right word to describe a good nightout or a prediction of what the nightout is going to be.
The conjugation of the verb, "drenar" can be used to transmit how you feel towards something/some party that will take place.
Finally, the word "drenas" can be used to relate to previous parties that were "drena".
- Hoje vai ser drena rija.
-Puto, a festa do gajo ontem foi ganda drena.
- Mano, hoje vamos drenar bué.
- No verão é só drenas, todas as semanas.