MUMMY'S BOY Meaning of MUMMY'S BOY in English nounEXAMPLES FROM CORPUS▪Amy realised he was a bit of a mummy's boy . ▪He has always been a mummy's boy , and he has always been arrogant. Longman DOCE5 Extras English vocabulary. Дополнительный английский словарь Longman DOCE5. 2012