Idiom
hand it to someone
Theme: COMPLIMENT
give credit to someone. (Informal. Often with have to or must.)I'll hand it to you. You did a fine job.We must hand it to Sally. She helped us a lot.
Slang
hand it to someone
Theme: PRAISE
tr. to acknowledge someone's excellence (at something).Well, I have to hand it to you. That was great!He had to hand it to her for her excellent performance.