a nice way to describe something that is run down and depleted. the term is attached to objects that owners place greater value on than it is actually worth.
"98 impreza for sale, 240k, all highway miles, runs good doe"
"oh, linda thinks she fine but she got some serious highway miles on that ass"
6π 2π
When a girl has been dating someone for a long time and has only been having sex with then.
She's been with him for a few years, she's only got highway miles on that pussy.
4π 2π
The mile highway club is the road version of the mile high club; pertaining to intercourse while in land vehicles instead of airplanes.
Cletus: βbro I just joined the mile highway clubβ
Schmidtt: βhow did that happen?β
Cletus: βi picked up your sister to give her a ride to work and she gave me one backβ
Schmidtt: βnice one broβ
3π 1π