JFrank,
There is really no one "official" patios - there are different dialects and different terms used all over the island. Words can have different meanings even in the same parish.
I asked several of my friends here and none of them knew for sure what it meant, but a "best guess" since the male is "unable or unwilling to tell her what she lied about", it would make sense that he doesnt want to "light up" the situation anymore than it already is, he doesnt want to get into a fight with her. Patois is rather logical...
It might also depend on where on the island this convo was heard - the term "light up" may have a specific meaning there.
Probably would have been smarter for him not to call her a liar in the first place... (grin)
