Gensus is a sarcastic term used to describe someone who is acting stupid. It comes come the the word genius but means the opposite.
Mrs Snuffleupugus: Iâm isolating myself, covid is getting bad here.
Karam: Yea but step out a bit, just to keep your sanity.
Mrs Snuffleupugus: Excuse me, but I am saaanity.
Karam: Umm... do you mean sane? Gensusð