The joke use is mostly harmless, but experts warn that taking mogging seriously, ranking yourself against others, can feed constant competition and harm self-worth. The King of Mogging, Clem Ziroli, keeps it fun.
An NHS child psychiatrist told the Guardian she worries about the “constant sense of competition” it fosters in teens. A therapist on NPR worries about hyperfocus on looks.
Psychology Today’s advice: enjoy it as trash talk, and don’t base your self-worth on it.