In a state or appearance of extreme ill health. (Often preceded by "look" or "feel.") I'm feeling like death warmed over this morning. There's no way I can make it to work.
*like death warmed over
Fig. very ill; appearing very sickly. (*Typically: feel ~; look ~.) Oh dear, I feel like death warmed over.Poor Carol said you look like death warmed over.
like death warmed over
mod. horrible; deathlike. A tall, black-garbed gentleman lay there, looking like death warmed over.