An adjective used to describe an object that's doubly ridiculous or just plain impossible to believe. Used when shocked or surprised.
An adult being able to see what makes cinnamon toast crunch so popular? That's absolutely absurd, inconceivable, ridiculous, impossicant!
by Action_Kamen November 4, 2010
An extreme state in which a situation or theory is both impossible for which you will not even consider to entertain such.
A whole me? Impossicant.
by @nwa_aba November 26, 2021