When Someone Claims They've Forgotten Something Simply So They Don't Have To Admit Truth/ Guilt BUT It's Blatantly Obvious They DO Know About Said Circumstance.
Also Can Be Used To Withold Information From Someone To Get Your Way.
"I Wasn't There, How Could I Have Been?" (Smirk)
"I Think You Have Shamnesia....." (Questioning Look)
"Can You Remember? Then Neither Can I....." (Arrogant Attitude)
"We'll Have To Push Harder, This One's Conveniently Got Shamnesia...."
"I Could Suddenly Remember What You Want To Know If You insert demand here" (Bargaining)
"I Think She/He/It's Wasting Out Time. I Hate Shamnesia"
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).