Definitions by ulyk2tuchbumbum

boxers all up in my shiznaz 

1) When your boxers get lodged in between your ass cheeks, also known as your anal cavity or "gooch", especially directly after standing up.

2) Wedgie.

Dude, I got my boxers all up in my shiznaz.

boxers all up in my shiznaz by ulyk2tuchbumbum January 24, 2011