Ironic spelling of "wisdom," intended to imply that something is, in fact, less than wise. Used mostly in text (i.e. on the Internets or the Facebook) but can also be brought into real-life speech.
"I never brush my teeth because I hear fluoride is toxic," said Bill.
"That's widsom, there," replied Myles.
"That's widsom, there," replied Myles.
by Zap Brannigan 1912 December 14, 2010