sewer pear

A large and often rotund turd

This situation can't get much worse" "Sorry dude but it just did I need to drop a sewer pear

Dump Gull

A dirty, usually overweight, old person who habitually rummages through other people's garbage in search of "useful" items.

Hey look at that dump gull outside, that's the third time he's been through the your trash this week!