leichnerism
A horrible mistake which causes everything to go awry, usually as a result of correcting another mistake.
Greg's solution to repairing the infernal machine inevitably led to a leichnerism, causing everything to go out of control and destroy the world.
Helen Leichner
To wash one's underwear in the sink so not to do a whole load of laundry
I didn't have enough quarters so I just Helen Leichnered them shits.