Green’s Dictionary of Slang

(UK black) to treat (someone) in a dismissive, disrespectful manner; to shame, to humiliate, i.e. to treat as a boy and not a man.

2008		D. Watson Any Which Way 20: Whole world just turn their back on me from day like, I get boyed off by school, I get boyed off by my bredrins.
2014		http://vimeo.com/107488139 Nov. 🌐 Brandon Plumb: P Money killed him. Malbranque: Don’t be silly. H not Harry boyed him off.
2016		Independent 5 Jan. 🌐 There is the edgy street language of gangs which has given us [...] boyed for shamed, durkboi and wallad for fool.
2020		G. Krauze What They Was 129: It was pressure for Timmy, getting boyed off in front of the mandem.