Circuit speeder

Circuit speeders are Cybertronian stimulants that can be fatal in large doses.

Fiction

IDW Generation 1 comics

Scavenging energon and spare parts from the Decepticon corpses on Clemency after the Great War, Misfire sampled some fuel from a Monstercon that had apparently overdosed on circuit speeders. This left him noticeably wired. Rules of Disengagement Later, the Scavengers used more of the Monstercon's circuit speeder-laced energon to spike Grimlock and leave him as a trap for the Decepticon Justice Division. Who's Afraid of the DJD?

Notes

• Circuit speeders presumably work in a similar way to circuit boosters, though they differ in their effects on the user.