shit ass

1. A hillbilly term used to define someone undesirable.
2. Also can refer to someone's ass, when covered in shit.

1.
Jethro: Bill Bob come over here and help me plant some of these Bush for president signs over yander!
Billy Bob: I'm in the union, I'm voting Democratic.
Jethro: Well Shit! Yer nothin' but a shit ass demoncrat!

2. When I crapped my pants at walmart, everyone said I had a shit ass.

dump block

When someone (Clint) goes in the bathroom when someone else has to take a dump(PC).

I have to go to the bathroom but Clint just dump blocked the bathroom.

stankpants

When someone who sits next to you at work and wears the same pants for 5 consecutive days.

Please don't tell me he is wearing his stankpants again!