This is the action of liking something on facebook and then immediately unliking it so that the person gets a notification that you liked their post, but when they check, they realize that you haven't
I saw that you psych liked my post. War has now been declared.
by Soi Soi September 19, 2010
Liking a post on accident on various social media sites then immediately unliking said post.
I saw her post on facebook where she posted pics of her gettin' drunk and i psych liked it.
by Nale Dixon June 23, 2014