Dan Savage's readers have spoken:
Saddlebacking: sad•dle•back•ing \ˈsa-dəl-ˈba-kiŋ\ vb [fr. Saddleback Church] (2009): the phenomenon of Christian teens engaging in unprotected anal sex in order to preserve their virginities
After attending the Purity Ball, Heather and Bill saddlebacked all night because she’s saving herself for marriage.
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http://www.saddlebacking.com
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