A relationship of any type which the person using the term does not wish to go into detail about. Yet Another Soc. A person who reads but has never posted to soc.bi . De-muffining means posting to soc.bi for the first time, hence no longer being a muffin. Barbecue ripple ice-cream.
Opinions are sharply divided on whether it is nice.
A chocolate spread, with a hint of hazelnut. Relevant to soc.bi only in that it can be spread on bisexuals instead of bread. Other spreads are available and probably work just as well. You should be aware that many individuals object to a term which they feel denigrates or reduces non-bisexual sexualities. Moreover, the concept of a commonality between exclusively heterosexual and exclusively homosexual attraction, as opposed to bisexual attractions, has been useful to some people in the process of coming to terms with their bisexuality - and the word monosexuality embodies that concept.