Definitions by cvalk

Rear axle 

To be one of two other people out with a couple in a typical couple situation. A third wheel plus one.

"Want to help me rear axle Kenny and his bae tonight?"

"Ugh, I don't know if I'm into that sort of thing."

"Nah man, I just mean hang out with the three of us."

Rear axle by cvalk May 29, 2016