Top Definition
A dude's dick.
I'm taking the skin bus into tuna town tonight.
by Little Johnny June 16, 2004
1 more definition
Penis, but usually used with "Riding" when you are having to bend over and take it - like an impossible and painful situation you can't get out of.
My boss has me riding the skin bus on this project.
by BonDobbs November 28, 2007

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