〜だらけ

Meaning

A suffix expressing a state covered or filled with undesirable things. As in "covered in mud" or "full of mistakes," it describes being full of something in a critical or disapproving tone. Attaches to a noun.

Examples

転んで、服が泥だらけになった I fell and my clothes got covered in mud.
この作文は間違いだらけだ This essay is full of mistakes.