[That just makes Kotori smile more.] "Rough", if we're being specific - you'd call something like sandpaper abrasive. But with people, yes, it usually means grumpy and a bit aggressive. Someone who rubs people the wrong way, so to speak.

[Kotori doesn't seem too fussed about the characteristics herself, and also doesn't sound like she's at all shy about pointing them out in her god.]