that's my boy

That's my boy. とは自慢の息子くらいの意味ですが、亜流表現をよく聞きます。2:53 that's my uncle Drew.

Uncle Drew | Chapter 1 | Pepsi Max
https://www.youtube.com/watch?v=hI6Lia3mYwc  0:50 that's my guru. 師匠のお陰
Bow Hunting Crash Course
https://www.youtube.com/watch?v=i0YH4xn2dPg  6:12 that's my girl. いい子だ。
Hallmark Christmas Cupid 2015 Romantic
https://www.youtube.com/watch?v=qupEKq1GEg4  1:22:19 that's my girl. そう来なくちゃ。
Beauty and the Briefcase 2010
https://www.youtube.com/watch?v=VyO84E5K5bg  0:38 that's my tiger.パパのビッグボーイ