pestiferous

\pes-TIF-uh-ruhs\, adjective:

1. Bearing or bringing disease.
2. Infected with or contaminated by a pestilential disease.
3. Morally evil or dangerous to society; pernicious.
4. Bothersome; troublesome; annoying.

"These are my two dirty, pestiferous children, and this is my mangey whore of a wife whose jaundiced, filth-encrusted vagina bore them onto this unfortunate and unsuspecting planet." - Jimmy Stewart, at the wrap party for Harvey

"Senator, I prefer non-pestiferous vegetables." - Anon.