Little Yellow Pill

A synonym for Valium®, popularised by the song ‘Mother’s Little Helper,’ written by Mick Jagger and Keith Richards
References in periodicals archive ?
Diarrid is billed as "the little yellow pill that stops diarrhea in its tracks." Each caplet contains 2 mg.
Hard hitting, poignant and hilarious, the amazing story of how one man''s life was dramatically changed by some little yellow pills. The Bluecoat, 8.30pm Thursday: DaDa Awards 2009.