plackass 

When someone's ass is hard

clayton has a plackass

plackass by mikegent February 27, 2016

Packass 

A person who stores an excessive amount of material in their back pockets; One who seems/behaves like they have something shoved up their anal cavity; Similar to a pack-mule, though often human; a lachie.

*pulls a bowling ball out of their back pocket*
"Packass"

*pulls a bowling ball out of their ass*
"Packass"

Packass by 1ntr0v3rt January 17, 2010