To make something more christmasy. Usually by adding christmas related objects such as a christmas tree, christmas lights, or other ornaments.
Person #1: Want to come help me decemberify my house?
Person #2: What dude?
Person #1: You know decemberify?
Person #2: No
Person #1: LOL, it means to decorate it with christmas stuff so it looks more christmasy!
Person #2: Awesome
Person #2: What dude?
Person #1: You know decemberify?
Person #2: No
Person #1: LOL, it means to decorate it with christmas stuff so it looks more christmasy!
Person #2: Awesome
by ILoveDomo:D November 29, 2011