1. A monogamous male who remains committed despite being in a sexless relationship with a non-monogamous partner.
2. A masochistic male who reaches an agreement with his significant other to keep his inferior penis celibate so that his s/o can focus exclusively on the superior penis(es) of the lover(s).
3. A submissive male who's required to wear a chastity cage to keep him faithful while his unfaithful spouse stays devoted to satisfying the bull(s).
When my wife's boyfriend suggested she grant him the sole right to just one of her holes, she found the idea so appealing that choosing only one created an impossible dilemma for her. So, she compromised by giving him exclusive access to all three and making me a chaste cuckold.
form of a tight butthole. In this case some thing that is beyond tight butthole; something so awesome and great that the phrase "SO TIGHT BUTTHOLE!" cant even verbally depict its awesomeness.
Chaste Butthole is the highest ranking level of greatness in the hierarchy of greatness rankings.
"hey dude did you see that girls badunk-a-donk"
"Yeah dude at first thought it was super tight butthole, but on further inspection realized it was Chaste-Butthole"