Big ass truck. Y'know, one with 18 wheels?
For those of you who invented this language, an H.G.V. with a total of 18 tyres.
'Yo, d'ya see the Kenworth T600 18 Wheeler with all them chicken lights? That rig was PIMPED, dog!'
'Yeah man, driver said he were hauling a load o' democrats to Tex-ass, said they needed them real bad down there to stop the Texans breeding assholes like George Dubbya'