Pratar ~ Also known as 'Roti Prata', this is an Indian bread made from dough, fried in oil & served on a plate with a bowl of curry on the side to dip. In Singapore it is spelt as 'Prata'. In India it is spelt as 'Parantha'. In Malaysia it is known as 'Roti Canai' (pronounced 'Chennai') . The action that the prata maker makes to 'soften & make bigger by tossing it in the air & spinning it' is known by the malay word 'Canai'.
Banjir ~ A Malay word meaning "flood".
Pratar Banjir ~ In Singapore & Malaysia, this is understood to mean you'd want your Pratar "flooded" with Curry on the same plate (or whatever it's packed in if it's packed-to-go).
▼ ~ Here's a picture of Roti Prata Banjir "flooded" with Curry on the same plate.