expression, kuru verb (irregular)
feel right; fit well; sit well
Describes a sense that something matches one's expectations, preferences, or situation; often used in the negative しっくり来ない for things that feel off or don't click.
この説明はどうもしっくり来ない。
This explanation just doesn't feel right.
新しいデザインがしっくり来た。
The new design felt just right.
The adverb しっくり is of uncertain origin, possibly mimetic; combined with 来る (くる, 'to come') to express a feeling that something 'comes' to one in a fitting way.