Meme moocher

Meme Moocher (noun): Someone who shares their friends memes without liking or reacting to it before the repost by said meme moocher.

An offence punishable by death of Facebook friendship without a trial.

That goddamn mutherfucker Bob has been sharing my memes again without liking them, this is it, the last straw I am unfriending that meme moocher.