Turn up like a bad penny

Pro Tip 1/3

Implies annoyance or frustration due to someone repeatedly showing up where they're not wanted.

Just when we thought we'd seen the last of him, he turned up like a bad penny at the reunion.

Pro Tip 2/3

Used in casual conversation, typically not in formal or written contexts.

At every club meeting, she turns up like a bad penny, much to everyone's dismay.

Pro Tip 3/3

Highlights the surprise element when someone or something unwelcome reoccurs.

I paid off my debt, but the collector keeps turning up like a bad penny.