In internet usage, it is usually interjected after a long explanation or something unfunny to make the reader laugh.
A good example would be a "Investigation" YTMND: It will have a long investigation of a meme, e.g Sexymofo, and at the end, will suddenly display "also, cocks" to make the reader laugh.
by OLOL January 21, 2007
Get the also, cocksmug.