pep pills

/P EH1 P IH0 L Z/
noun
  1. 1

    Any of various recreational drugs, especially those whose main ingredient is benzylpiperazine.

Source: https://en.wiktionary.org/wiki/party%20pill, https://en.wiktionary.org/wiki/pep%20pill, https://en.wiktionary.org/wiki/pep%20pills