How to Use "reefer" with Example Sentences

1. The reefer containers should becoming stacked where there are power sockets .
2. I need to feel some reefer madness .
3. Strangely , this lackadaisical approach is not encouraging people to take up the reefer habit .
4. Please inform duty officer to take off the electric sockets for all reefer containers .
5. How 's the reefer treating you ?