Noop

Noun: A "Noop" refers to a person, place and or thing that is lacking of intelligence in the moment, a person with amnesia could be considered a Noop. Someone or something that does something dumb or stupid. "Noop" can be interchanged with words like, "idiot" "retard" or "dumbass".

1.
R: I thought today was Monday all day but it's actually Sunday!

T: What a Noop..

2.
T: I forgot to feed the dog at 10 o clock so I fed him at 4 o clock when I remembered.

R: Could you be any more of a Noop?