Q is for Quirk

: an usual behavior

“He does have one odd little quirk though,” Astrid told her friend in strict confidence, “he wears a gown and a floppy ball hat to bed, and when he snores, he exhales with a wi-mi-mi-mi-mi-mi sound.” Her friend didn’t have the heart to tell her she was dating a cartoon character. Astrid didn’t have many prospects.