A specimen of oriental nature and a rather racist term like Chinky.
'Eurgh, Look at that chonker family over there, how many!?, them and their crispy duck!'
'Chonker Sauce' = Hoy Sin to be glazed over crispy duck..
Chonker: A human parasite that lives in the rectal cavity of a person. It comes out at night and chews off a piece of the hosts ass and returns inside the cavity to feast.
Donny woke up with little red marks all over his ass from the chonkers the night before.