1. Pertaining to
the Bible, the sacred
text of Christianity.
2. (slang) Characterizing
harsh, serious treatment.
3. (slang) Sexual. Used in the phrase, "in the Biblical sense", esp. applied to the use of the verb "know".
(def. 2): Tony
said if we
don't get the job
done by Friday, he's going to have to get biblical on our asses.
(def. 3): Yeah, I'm really glad I got to know Lisa. Heh, in the biblical sense.