Knackered

A British slang term for beat up / used or tired

Teacher: morning class hope you are feeling fresh
That kid in the class: Nah fuck that I’m proper knackered today miss

Girl 1: omg me and Ron had suck great sex last night my pussy is SO knackered today
Girl 2: You? Knackered? Is Ron alive then?
Girl 1: He didn’t die completely, but he is at home today