He and his dad spent the weekend together for some 'male bonding'.
a 'bonding' agent [=a glue, an adhesive]
mother-child 'bonding'
(..) That's a long time. I understand you're scared. I'm a little scared too. - I'm not scared. - Me neither. I just thought we was bonding. You're acting like a rookie. Splitting wigs and stepping on caps. - No wonder Zed brought me back. - He did it because you messed up. Your attitude makes for a (..)2002 Men in Black II