The worst kind of insult was to spit into someone's face (Num. 12: 14; Matt. 26: 67), but sometimes Jesus spat in the performance of healings (Mark 7: 33).
Citation for spitting
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"spitting." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. May 22, 2013. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1814>.
Chicago
"spitting." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1814 (accessed May 22, 2013).