A travel sickness pill containing the drug dimenhydramine affectionately referred to as "insanity in a box".
Scarier than anything you can buy off a drug dealer, and 100% legal. Available over the counter at a pharmacy for about 6 bucks.
After a box of these babies, you will never be the same again.
"I took a box of travacalm and found myself passed out on my couch 3 days later in somebody elses clothes, missing my phone and with SEX FACE written all over my body in permanent marker"