1. A hard piece of snot, just inside the nostril but visible to anyone within conversation range. Usually hangs from and surrounds a nose hair the way wax surrounds a candle wick.
2. A semi-hard piece of snot that flies out of you nostril into a handkerchief or the palm of your hand when you sneeze.
The sexless innkeeper is when you take what you think is a potential hookup home with you, and they fall asleep on your couch without hooking up. She or he only went home with you because you lived close by and they needed a place to crash for the night, therefore using your place only as an inn, making you its innkeeper. Defined by Barney on How I Met Your Mother.