Guingue can be everything as well as it can be nothing.
It's true meaning is unknown to the very creator of the word, Xicorious Drocates from the ancient Greece.
Guingue is an adjective as well as a verb.
It can be translated to cool and the verb guingar to blaze it.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi