[steady on], i don't want that bloody mince-nipper involved in this game of hungry hippos; you know what he's like
an uninformed usually young person or 'nipper' engaging in generally unfavourable 'mince-like' activities typical of his/her age, a little mince nipper
"[steady on], i don't want that bloody mince-nipper involved in this game of hungry hippos; you know what he's like" What is the definition of "mince-nipper"?