you get it while driving alot, and your ass starts to ache.
I got car ass from cruising around all day.
by robb401 January 20, 2009
A combo of the words caress and harass, meaning a touch that was meant to be pleasureable but it turns out as the opposite. Also related to krass.
She slapped the waiter after his soft carass on her bottom.
by mLo March 07, 2005