a building's air/heating/ventilation 'ducts'
the bile 'duct'
tear 'ducts'
(..) I was just followin' the code. You're a fuckin' traitor. You bailed on me, and now I'm in the shit. Where the fuck are you? I'm in the air duct, dude. - Dude. I totally missed you. - Me too. I just heard a noise. I am trippin'. Are you stoned? (..)2006 Tenacious D in the Pick of Destiny