Trash Cow

An unacceptable or un-chosen number in competition when grouping numbered cattle.

“Don’t be a Trash Cow, you’ll make us lose”
“Get that fucking trash cow out of here!”
“We want 5’s! That fucking number 2 Trash Cow slicked is and snuck in”

trash cow

a trash cow is a person who generates unusually high profit margins, while at the same time being extremely trashy.

The fat, nasty hooker always made the most money, she was her pimp's trash cow.