Don't be facetious; this is serious.
Maria is a facetious person compared to her uptight older brother; she always tells the funniest jokes! Hope this helps! :)
He was being facetious, so don't take him seriously.
Claire: "Bill, can you explain these panties to me?" Bill: "Yes Claire. It appears to be a thong, black lace, size medium. They are for wearing underneath pants and sometimes for more risque...
This may seem a facetious point but that is far from my intention.