Originally Posted by Wesyeed
Prime sometimes dabbled in earthling slang in the old toon so I've put down my guns for that my bad line.
"As some earthlings say, Lay it on me, man!" - Optimus Prime (some damn episode)
The episode you are looking for is Countdown to Extinction from Season 1. Jazz has Laserbeak and asks if anyone wants to hear what is recorded. Prime then says that line