2. Noun. (idiomatic) An uninteresting, low-level, low-paying job. ¹
3. Noun. (US idiomatic computing ) An act of e-mail spamming where the sender's identity and address are those of an innocent third party, intended either to tarnish that person's reputation or to flood that person's e-mail with bounces. ¹
¹ Source: wiktionary.com