godan verb (iku/yuku class)
get along well; hit it off
Used for personal relationships where people are compatible and get along smoothly. Often used in the negative form しっくり行かない to indicate a lack of harmony.
彼とはどうもしっくり行かない。
I just don't get along well with him.
新しい上司とはしっくり行っている。
I'm getting along well with my new boss.