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1.
Definition 1: A pimp's transportation to get around town. It has a lot of swag, pimps, and hoes in it.

Definition 2: An erect penis.
Example 1: "Yo man, I'm gonna go get in my sawdermobile. Need a ride?"
"Yeah that'd be great. Thanks, A Pimp Named Slickback!"

Example 2: "Do you want to ride on my sawdermobile?"
"Oh yes!"
by SweetLeopard October 04, 2012