While his own sword didn't have a name, Loras did understand the concept behind it, just like he understood why people named their cars. The weapons in Loras' hands were placed back on the wall so he wasn't tempted to start showing off with them.
"No?" he asked. There was a why not? at the end of it, but it would be rather impolite to simply ask. Loras didn't much care if he was impolite much of the time, but he also knew when to bite his tongue.