spamcock
Noun

An entity permeates webspace with spam, whether it be your blog, myspace, or website. The spamcock is fearless in his/her self serving plugs for his/her fourm, website, or other link that completly sucks. This term could apply to any website/webspace that shamlessly promotes its self or others through annoying banner ads etc.
 "If that spamcock plugs his shit one more time on my website, Im gonna ban him"