Coomer is a 4chan meme that makes fun of masturbation addiction. It is an image of a bearded man with an open mouth and bloodshot eyes from sleep deprivation or general weakness. The coomer also has an enormous bicep. The general implication of the meme is that masturbation and/or pornography is bad, harmful, addictive, etc. The word is based off a sketch from the right-wing comedy troupe MDE, entitled 'Moms'. The meme was originally posted on 4chan's video game channel.