Ts and blues

Etymology
Ts is an initialism of Talwin, a brand name for pentazocine; blues derives from the fact that tripelennamine tablets are usually blue in color.

Noun

 * 1)  The combination of the drugs pentazocine (an opioid analgesic) and tripelennamine (an antihistamine), used for recreational purposes due to its euphoric effect in the 1970s and 1980s.