泥どろだらけ

noun which may take the genitive case particle 'no', na-adjective

covered in mud; mud-caked

Describes a person, object, or place that is thoroughly covered or spattered with mud. Often used in a literal, physical sense.

• 雨あめの日ひのサッカーの後あと、ユニフォームが泥どろだらけになった。