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The process of double-liking something on Facebook by liking it, unliking it, and then liking it again.
Sara: So excited, we are going to VEGAS!
*click like button*
*click unlike button*
*click like button again*
Comment: Kate: I like that so much that I double-liked it! Can't wait!
by double-liker March 24, 2011
A way round the not-very-excited sounding "like" button on facebook.
- Susan bought the new High School Musical DVD today

- Betty: double like!!!!
by the_wronggirl February 12, 2011