The term jundri comes from a mixture of sources including the South Asian Sub-Continent and West London. It can be used to mean very many things depending on context and can be altered for particular use. It can be used in a derogotary way or out of love and affection depending on the tone and volume.
Why is that girl so stupid ?
Aw she is just a stupid jundri
that boy is a proper jundro/jundra
I know he is an amazing footballer though.