Looking angry, floored by some mad fool? (3)
I believe the answer is:
red
This could be a double definition.
'looking angry' is the first definition.
(someone may go red when angry)
'floored by some mad fool?' is the second definition.
The definition and answer can be both people as well as being singular nouns.
Maybe there's an association between them I don't understand?
Can you help me to learn more?
(Other definitions for red that I've seen before include "River, its source in the US, flowing north to empty into L Winnipeg" , "Blood-coloured" , "'If you see it, perhaps you're angry (3)'" , "Merchant flag" , "Warning light colour" .)