a piece of rag
A person who makes your life feel like it’s stuck in a pile of old clothes.
My brother is a piece of rag. He left his clothes on the floor and still won’t pick them up.
That guy at the bus stop is a piece of rag. He smells like he hasn’t showered since the dinosaurs.
My little sister is a piece of rag. She cries over spilled milk and still won’t clean it up.