|1.||Ass Crack Lane|
When you can see someone's butt crack and look directly into it.
DOOD1: Man look over there
DOOD2: Man that is Gross
DOOD3: What happened?
DOOD2: I just went down ass crack lane :|
|2.||Ass Crack Lane|
When someones pants are falling down and their ass crack is visable, they are then on or traveling down ass crack lane.
Guy 1: dude you can see that chicks crack!
Guy 2: Shes on a walk down ass crack lane!