とうとう10月ですやん…
permagrin
perma-grinなのかな？
A long lasting smile usually caused by the frivolous feel after a great session of sex. A great partner is required to achieve this higher plane of sexual satisfaction. Accompanies lightheadedness, temporary speech impendiment, being off balance, carelessness, blurred vision, and general sexual "outbursts"
Urban Dictionary: Perma-GrinHe walked into the room with her, after five hours they both walked out stumbling with empty eyes and permagrins plastered to their faces.
と、いうことです
