Sike jokes are making a huge comeback on social media
Often believed, by those who don't understand the term's origin, to be spelt (or spelled, for the American audience) 'sike'. Deriving from the word psychology, psych is a term used to indicate that whatever the person speaking just said was done so purely to mess with the listener's mind, to 'psych' them out, if you will.
The Huge, Hysterical, Never Terrible Book of Jokes for Kids by Carole P ...
