(v.t) To 'like' one's own posts on Facebook, in order to display your posts in the Facebook ticker for those who have already disabled one's posts in the news feed. Generally used by irritating people with enormous egotism. Also spelled 'self liking'.
(adj.) Egotistical enough to 'like' one's own posts on Facebook. Ironically, people who are self-liking often have self-esteem issues, feeling uncomfortable with themselves unless their mundane posts are 'liked' by everyone on Facebook.
WTF? I can't believe that you are self-liking your posts just to get them past my news feed; I might have to unfriend you.
Don't read any of her posts; she's always self-liking.