Oh. A CLEVER, albeit obsolete, euphemism
for insufficient blood flow...
The Big Bang Theory Season 3, Episode 2
Aren't you always so CLEVER
with your schemes and your plots?
Game of Thrones Season 2, Episode 5
Enough with the CLEVER plans.
Game of Thrones Season 7, Episode 4
He is a fool. You're so CLEVER to see it.
Game of Thrones Season 2, Episode 1
Fiendishly CLEVER.
The Big Bang Theory Season 5, Episode 5